confused at the river . . . tpgk

[J. Stew]

Party Poker 0.50/1 Hold'em (10 handed) converter

Preflop: Hero is BB with Q[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">3 folds</font>, MP1 calls, MP2 calls, <font color="#666666">2 folds</font>, Button calls, SB completes, Hero checks.

I didn't raise pf because I'm not suited and don't think I'm folding anyone, should I raise for value here?

Flop: (5 SB) T[img]/images/graemlins/diamond.gif[/img], 8[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(5 players)</font>
<font color="#CC3333">SB bets</font>, <font color="#CC3333">Hero raises</font>, MP1 calls, MP2 folds, Button folds, <font color="#CC3333">SB 3-bets</font>, Hero calls, MP1 calls.

Turn: (7 BB) A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, Hero checks, MP1 checks.

River: (7 BB) 9[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, <font color="#CC3333">Hero bets</font>, MP1 calls, SB calls.

Figured he was bettin' a flush draws on the flop after he checked the turn and river . . . do you figure the same and bet?
Final Pot: 10 BB