2/4L Scared Aces in big pot

[UCLAseetoK]

CO is a LAG (forgot stats, but i'd guess around 25pfr.), no reads on UTG+2, but I haven't seen anything too out of line from him yet.

Party Poker 2/4 Hold'em (10 handed) FTR converter on zerodivide.cx

Preflop: Hero is MP3 with A[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/spade.gif[/img].
<font color="#CC3333">UTG raises</font>, <font color="#666666">1 fold</font>, UTG+2 calls, <font color="#666666">2 folds</font>, <font color="#CC3333">Hero 3-bets</font>, <font color="#CC3333">CO caps</font>, <font color="#666666">3 folds</font>, UTG calls, UTG+2 calls, Hero calls.

Flop: (17.50 SB) 2[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/heart.gif[/img], Q[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">UTG bets</font>, UTG+2 calls, <font color="#CC3333">Hero raises</font>, <font color="#CC3333">CO 3-bets</font>, UTG folds, UTG+2 calls, Hero calls.

Turn: (13.75 BB) K[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
UTG+2 checks, Hero checks, <font color="#CC3333">CO bets</font>, UTG+2 calls, Hero calls.

River: (16.75 BB) 8[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
UTG+2 checks, Hero checks, <font color="#CC3333">CO bets</font>, UTG+2 calls, Hero calls.

Final Pot: 19.75 BB

Line? I thought I played this pretty passively.