Floped a set, Is raising the turn a bad idea with st and fl draws?

[SomthingOrOther]

PokerStars 0.25/0.50 Hold'em (10 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Preflop: Hero is BB with 7[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/diamond.gif[/img].
UTG calls, UTG+1 calls, <font color="#666666">1 fold</font>, MP1 calls, MP2 calls, MP3 calls, <font color="#666666">1 fold</font>, Button calls, SB completes, Hero checks.

Flop: (8 SB) 8[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(8 players)</font>
<font color="#CC3333">SB bets</font>, <font color="#CC3333">Hero raises</font>, UTG folds, UTG+1 calls, MP1 calls, MP2 folds, MP3 calls, Button folds, SB calls.

Turn: (9 BB) 6[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(5 players)</font>
SB checks, Hero checks, UTG+1 checks, MP1 checks, <font color="#CC3333">MP3 bets</font>, SB calls, <font color="#CC3333">Hero raises</font>, UTG+1 folds, MP1 calls, MP3 calls, SB calls.

River: (17 BB) 9[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">SB bets</font>, Hero folds, MP1 calls, MP3 folds.

Final Pot: 19 BB

Results in white below: <font color="#FFFFFF">
SB has 6h 2h (flush, nine high).
MP1 has 9s Jh (one pair, nines).
Outcome: SB wins 19 BB. </font>