Standard, or overzealous value bet attempt

[C-Dog]

Villain is new to the table, and hasnt done anything out of the ordinary.

Is the river a bet/fold situation? I figured that he had 2 pair, or maybe a set of 3s, and that I had sucked out on him on the turn.

Party Poker 1/2 Hold'em (6 max, 5 handed) converter

Preflop: Hero is BB with Q[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/club.gif[/img].
UTG calls, <font color="#666666">1 fold</font>, Button calls, SB completes, Hero checks.

Flop: (4 SB) J[img]/images/graemlins/diamond.gif[/img], 7[img]/images/graemlins/diamond.gif[/img], 3[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, <font color="#CC3333">Hero bets</font>, UTG calls, Button calls, SB folds.

Turn: (3.50 BB) Q[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">UTG raises</font>, Button folds, <font color="#CC3333">Hero 3-bets</font>, <font color="#CC3333">UTG caps</font>, Hero calls.

River: (11.50 BB) 8[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">UTG raises</font>, Hero calls.

Final Pot: 15.50 BB