turn decision with overpair(common situation)

[reptile]

Party Poker No-Limit Hold'em, $6 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

MP ($839.20)
Hero ($597)
Button ($589.88)
SB ($410.10)
BB ($341.42)
UTG ($961.35)

Preflop: Hero is CO with Q[img]/images/graemlins/heart.gif[/img], Q[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises to $21</font>, Button calls $21, <font color="#666666">1 fold</font>, BB calls $15.

Flop: ($66) 9[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/club.gif[/img], 4[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
BB checks, <font color="#CC3333">Hero bets $50</font>, Button calls $50, BB folds.

Turn: ($166) 9[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, Button checks.

River: ($166) 8[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $110</font>, Button calls $110.

Final Pot: $386

villian is solid tag not to aggressiv
im not sure if he bets turn with fd or not i tried to crai here, but i think its a bad decision(but im not sure) bc he checks to often
so my question is if i bet and get raised u guys push here?
or try too to crai is ok?