Checkbehind right here?

PokerStars No-Limit Hold'em, $0.25 BB (8 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

saw flop|saw showdown

BB ($17.30)
UTG ($25)
UTG+1 ($24.75)
MP1 ($25)
MP2 ($17.40)
CO ($39.65)
Hero ($35.30)
SB ($23.90)

Preflop: Hero is Button with Q, A.
3 folds, MP2 calls $0.25, 1 fold, Hero raises to $0.75, SB calls $0.65, 1 fold, MP2 calls $0.50.

Flop: ($2.50) Q, 7, J (3 players)
SB checks, MP2 checks, Hero bets $2, SB folds, MP2 calls $2.

Turn: ($6.50) 4 (2 players)
MP2 checks, Hero bets $3, MP2 calls $3.

River: ($12.50) 4 (2 players)
MP2 checks, Hero checks.

Final Pot: $12.50

[EDIT]
Villan is about 73/13

Paired board and a flush out there............ not a good time to go to value town IMO.

I would of bet the turn harder to push the flush draw away and of course if he hit it he would push back. The pair on the river wouldn't concern me at all and I would of bet that also. He probably had a pair of J's or a weaker Q

on river, 6 looks good, also bet a little more on turn

As played I think it's fine, but I think villain might just have a jack.

The betting more on the turn comments would be both to see if he plays back, and to get rid of his odds to draw with one correct?

My concern with the river was, after the smoothcall on the turn and the fact I had shown agression all through the hand, that he was letting me bet to c/r me and make me decide if he had it or not

If he had more money behind I'd tend to bet $6 because you wouldn't feel commited to calling a c/r.

no need to change this.