Do I 3bet turn or lead river in this situation?

[arkady]

Villain; unknown
Situation; frequent.
Leak severity: Code Yellow

Party Poker 10/20 Hold'em (6 max, 6 handed) converter

Preflop: Hero is BB with Q[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/heart.gif[/img].
UTG calls, <font color="#666666">3 folds</font>, SB completes, <font color="#CC3333">Hero raises</font>, UTG calls, SB calls.

Flop: (6 SB) J[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/spade.gif[/img], 9[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
SB folds, <font color="#CC3333">Hero bets</font>, UTG calls.

Turn: (4 BB) 7[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">UTG raises</font>, Hero calls.

River: (8 BB) 7[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, UTG checks.

Final Pot: 8 BB