Hand for review, 1/2 6 max

[kgrad5]

Hey guys, been 3-tabling so i have no significant reads on anyone.
I'm not sure i like how i played this hand, did i miss some bets?
thanks

Party Poker 1/2 Hold'em (6 max, 6 handed) converter

Preflop: Hero is MP with 4[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/diamond.gif[/img].
UTG calls, Hero calls, CO calls, <font color="#666666">2 folds</font>, BB checks.

Flop: (4.50 SB) A[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(4 players)</font>
BB checks, <font color="#CC3333">UTG bets</font>, Hero calls, CO calls, BB calls.

Turn: (4.25 BB) A[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
BB checks, <font color="#CC3333">UTG bets</font>, Hero calls, <font color="#CC3333">CO raises</font>, BB folds, UTG folds, <font color="#CC3333">Hero 3-bets</font>, CO calls.

River: (11.25 BB) 7[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, CO calls.

Final Pot: 13.25 BB