NL25: trouble playing middle pocket pairs. How to play?

[whizzle]

I really don't know how to play these hands. Some good advice would be very nice! tnx for the replies

Party Poker - No Limit Hold'em Cash Game - $0.10/$0.25 Blinds - 6 Players - (LegoPoker Hand History Converter)

SB: $40.39
BB: $6.93
Hero (UTG): $41.77
MP: $35.84
CO: $40.87
BTN: $14.08

Preflop: Hero is dealt 5[img]/images/graemlins/diamond.gif[/img] 5[img]/images/graemlins/spade.gif[/img] (6 Players)
<font color="red">Hero raises to $1.00</font>, 2 folds, BTN calls $1.00, SB calls $0.90, BB folds

Flop: ($3.25) 7[img]/images/graemlins/spade.gif[/img] 6[img]/images/graemlins/club.gif[/img] 9[img]/images/graemlins/club.gif[/img] (3 Players)
SB checks, Hero checks, BTN checks

Turn: ($3.25) 4[img]/images/graemlins/heart.gif[/img] (3 Players)
SB checks, <font color="red">Hero bets $2.50</font>, BTN folds, SB calls $2.50

River: ($8.25) T[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">SB bets $6.17</font>, Hero folds

Party Poker - No Limit Hold'em Cash Game - $0.10/$0.25 Blinds - 5 Players - (LegoPoker Hand History Converter)

SB: $34.91
BB: $21.80
UTG: $22.53
Hero (CO): $38.91
BTN: $9.57

Preflop: Hero is dealt 3[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/club.gif[/img] (5 Players)
UTG folds, <font color="red">Hero raises to $1.00</font>, 2 folds, BB calls $0.75

Flop: ($2.10) 9[img]/images/graemlins/heart.gif[/img] 2[img]/images/graemlins/club.gif[/img] 2[img]/images/graemlins/heart.gif[/img] (2 Players)
BB checks, Hero checks

Turn: ($2.10) 5[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">BB bets $1.25</font>, <font color="red">Hero raises to $4.00</font>, BB calls $2.75

River: ($10.10) Q[img]/images/graemlins/club.gif[/img] (2 Players)
BB checks, Hero checks

Party Poker - No Limit Hold'em Cash Game - $0.10/$0.25 Blinds - 6 Players - (LegoPoker Hand History Converter)

SB: $11.25
Hero (BB): $26.41
UTG: $25.81
MP: $11.94
CO: $25.47
BTN: $46.44

Preflop: Hero is dealt 8[img]/images/graemlins/diamond.gif[/img] 8[img]/images/graemlins/heart.gif[/img] (6 Players)
3 folds, <font color="red">BTN raises to $1.00</font>, SB calls $0.90, Hero calls $0.75

Flop: ($3) 3[img]/images/graemlins/club.gif[/img] 7[img]/images/graemlins/diamond.gif[/img] 5[img]/images/graemlins/club.gif[/img] (3 Players)
SB checks, Hero checks, <font color="red">BTN bets $2.00</font>, SB folds, Hero calls $2.00

Turn: ($7) 9[img]/images/graemlins/heart.gif[/img] (2 Players)
Hero checks, <font color="red">BTN bets $5.00</font>, Hero folds

Party Poker - No Limit Hold'em Cash Game - $0.10/$0.25 Blinds - 6 Players - (LegoPoker Hand History Converter)

SB: $27.47
BB: $33.73
UTG: $10.04
Hero (MP): $26.45
CO: $24.34
BTN: $28.84

Preflop: Hero is dealt 8[img]/images/graemlins/club.gif[/img] 8[img]/images/graemlins/heart.gif[/img] (6 Players)
UTG folds, <font color="red">Hero raises to $1.00</font>, CO calls $1.00, 3 folds

Flop: ($2.35) J[img]/images/graemlins/spade.gif[/img] 6[img]/images/graemlins/diamond.gif[/img] 2[img]/images/graemlins/diamond.gif[/img] (2 Players)
<font color="red">Hero bets $1.50</font>, CO calls $1.50

Turn: ($5.35) 2[img]/images/graemlins/spade.gif[/img] (2 Players)
Hero checks, <font color="red">CO bets $3.25</font>, Hero folds

Party Poker - No Limit Hold'em Cash Game - $0.10/$0.25 Blinds - 5 Players - (LegoPoker Hand History Converter)

SB: $20.40
Hero (BB): $28.38
UTG: $24.65
CO: $20.11
BTN: $26.43

Preflop: Hero is dealt 6[img]/images/graemlins/club.gif[/img] 6[img]/images/graemlins/diamond.gif[/img] (5 Players)
3 folds, <font color="red">SB raises to $1.00</font>, Hero calls $0.75

Flop: ($2) 4[img]/images/graemlins/club.gif[/img] 8[img]/images/graemlins/club.gif[/img] 5[img]/images/graemlins/diamond.gif[/img] (2 Players)
<font color="red">SB bets $1.50</font>, Hero calls $1.50

Turn: ($5) 3[img]/images/graemlins/diamond.gif[/img] (2 Players)
<font color="red">SB bets $3.00</font>, Hero folds