I struggle on the turn and river

[Alobar]

BB in this hand is 22/15/2, which is about all the info I have on him

Party Poker 10/20 Hold'em (6 max, 5 handed) FTR converter on zerodivide.cx

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

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

Turn: (4.50 BB) 9[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, BB checks, Hero checks.

River: (4.50 BB) 9[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, BB checks, Hero ???

On the turn I didnt know whether a free card helped me more or hurt me more, I didnt want to get confronted with a c/r (cuz I Didnt know what to do) so I checked.

River is a pretty easy bet no?