Proper turn raise?

[Fryguy]

UTG and MP are total fish, SB is slightly laggy (low sample size on SB)

PokerStars 3/6 Hold'em (6 handed) FTR converter on zerodivide.cx

Preflop: Hero is Button with Q[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/diamond.gif[/img].
UTG calls, MP calls, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises</font>, SB calls, BB calls, UTG calls, MP calls.

Flop: (10 SB) 4[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(5 players)</font>
<font color="#CC3333">SB bets</font>, BB folds, UTG calls, MP calls, Hero calls.

Turn: (7 BB) 6[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">SB bets</font>, UTG calls, MP calls, <font color="#CC3333">Hero raises</font>, SB calls, UTG calls, MP calls.

River: (15 BB) 8[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, <font color="#CC3333">UTG bets</font>, MP folds, Hero folds, SB folds.

Final Pot: 16 BB