77 vs loose passive on a bad board

[bigmac366]

all i know about villian is he's running about 60/5

Full Tilt 0.50/1 Hold'em (6 handed) Full Tilt Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Preflop: Hero is CO with 7[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/heart.gif[/img].
<font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises</font>, <font color="#666666">1 fold</font>, SB calls, <font color="#666666">1 fold</font>.

Flop: (5 SB) T[img]/images/graemlins/spade.gif[/img], Q[img]/images/graemlins/spade.gif[/img], Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets</font>, SB calls.

Turn: (3.50 BB) A[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, Hero checks.

River: (3.50 BB) 9[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets</font>, Hero.....

do i set myself up for this by not betting the turn? i'm torn between betting the turn and checking the river behind, or playing it the way i played it. comments on all streets appreciated