bottom 2 unraised pot vs. possible tilting villain

[DaycareInferno]

4 hands before this one, the following occured:

Full Tilt Poker - No Limit Hold'em Cash Game - $0.05/$0.10 Blinds - 5 Players - (LegoPoker Hand History Converter)

Hero (SB): $15.45
BB: $6.15
UTG: $8.70
CO: $11.80
BTN: $12.90

Preflop: Hero is dealt J[img]/images/graemlins/club.gif[/img] J[img]/images/graemlins/spade.gif[/img] (5 Players)
<font color="red">UTG raises to $0.20</font>, 2 folds, <font color="red">Hero raises to $0.80</font>, BB folds, UTG calls $0.60

Flop: ($1.70) 9[img]/images/graemlins/club.gif[/img] 4[img]/images/graemlins/heart.gif[/img] 9[img]/images/graemlins/diamond.gif[/img] (2 Players)
<font color="red">Hero bets $1.25</font>, UTG calls $1.25

Turn: ($4.20) 3[img]/images/graemlins/diamond.gif[/img] (2 Players)
Hero checks, <font color="red">UTG bets $3.00</font>, <font color="red">Hero raises to $11.15</font>, UTG calls all-in for $3.65
Uncalled bet of $4.50 returned to Hero

River: ($17.50) 7[img]/images/graemlins/heart.gif[/img] (2 Players - 1 All-In)

Pot Size: $17.50 ($1 Rake)

UTG had J[img]/images/graemlins/diamond.gif[/img] Q[img]/images/graemlins/diamond.gif[/img] (a pair of Nines) and LOST (-$8.70)
Hero had J[img]/images/graemlins/club.gif[/img] J[img]/images/graemlins/spade.gif[/img] (two pair, Jacks and Nines) and WON (+$7.80)

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same villain (25/12/2) 4 hands later

in the following hand, he came in posting + dead

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Full Tilt Poker - No Limit Hold'em Cash Game - $0.05/$0.10 Blinds - 6 Players - (LegoPoker Hand History Converter)

SB: $21.05
Hero (BB): $24.10
UTG: $6.00
MP: $10.00
CO: $11.00
BTN: $12.55

MP posts $0.10
Preflop: Hero is dealt 7[img]/images/graemlins/spade.gif[/img] 2[img]/images/graemlins/spade.gif[/img] (6 Players)
UTG folds, MP checks, 2 folds, SB calls $0.05, Hero checks

Flop: ($0.30) 2[img]/images/graemlins/club.gif[/img] Q[img]/images/graemlins/spade.gif[/img] 7[img]/images/graemlins/heart.gif[/img] (3 Players)
<font color="red">SB bets $0.20</font>, <font color="red">Hero raises to $0.80</font>, <font color="red">MP raises to $2.95</font>, SB folds, Hero calls $2.15

Turn: ($6.40) A[img]/images/graemlins/spade.gif[/img] (2 Players)
Hero checks, <font color="red">MP bets $6.45</font>, <font color="red">Hero raises to $18.15</font>, MP calls all-in for $0.45

i decided that i was probably ahead on the flop, and that this was the best way to get my money in versus this particular villain given the history. normally i would consider this really bad in an unraised pot on my part though, so i'm not sure how i feel about it. thoughts?