Did i play this way too scared? Should i bet turn? 1000PL

[ShortySaurus]

Really loose game. Hero is dealt Q [img]/images/graemlins/heart.gif[/img]Q [img]/images/graemlins/club.gif[/img] in the BB. MP raises to 35, 3 cold callers, I call.

Pot is 175 Flop comes
J [img]/images/graemlins/spade.gif[/img]3 [img]/images/graemlins/heart.gif[/img]4 [img]/images/graemlins/club.gif[/img]

SB checks, I bet 150, MP folds, MP+1 folds, CO calls, SB calls.

Pot is 625 Turn is:
5 [img]/images/graemlins/diamond.gif[/img]

Checks around.

River 7 [img]/images/graemlins/heart.gif[/img]

Checks around

Turn comments please....