50 NL Full Ring: Pocket Eights Help!

[bxb]

I'm sure I did something wrong here cuz playing this passive seems bad. CO was very tight like 10/4 and MP2 was very loose like 40/10.

Party Poker No-Limit Hold'em, $ BB (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Button ($42.52)
SB ($49.50)
BB ($53.80)
UTG ($49.49)
UTG+1 ($31.35)
MP1 ($45.80)
MP2 ($42.35)
Hero ($49.10)
CO ($47.86)

Preflop: Hero is MP3 with 8[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/spade.gif[/img]. SB posts a blind of $0.25.
<font color="#666666">2 folds</font>, MP1 calls $0.50, MP2 calls $0.50, Hero calls $0.50, <font color="#CC3333">CO raises to $3</font>, <font color="#666666">3 folds</font>, MP1 folds, MP2 calls $2.50, Hero calls $2.50.

Flop: ($10.25) 2[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/spade.gif[/img], 9[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
MP2 checks, Hero checks, CO checks.

Turn: ($10.25) 5[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">MP2 bets $3</font>, Hero calls $3, CO calls $3.

River: ($19.25) 5[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">MP2 bets $3</font>, Hero calls $3, CO folds.

Final Pot: $25.25