Flop bottom 2 in a 6 way pot

$20+2, 180 people on PS

PokerStars No-Limit Hold'em Tourney, Big Blind is t20 (9 handed) converter

MP2 (t1500)
MP3 (t1480)
CO (t1460)
Button (t1530)
SB (t1440)
Hero (t1500)
UTG (t1610)
UTG+1 (t1480)
MP1 (t1500)

Preflop: Hero is BB with 9[img]/images/graemlins/spade.gif[/img], 5[img]/images/graemlins/diamond.gif[/img].
UTG calls t20, <font color="#CC3333">UTG+1 raises to t40</font>, <font color="#666666">3 folds</font>, CO calls t40, Button calls t40, SB calls t30, Hero calls t20, UTG calls t20.

Flop: (t240) 5[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(6 players)</font>
<font color="#CC3333">SB bets t80</font>, Hero calls t80, UTG calls t80, <font color="#CC3333">UTG+1 raises to t280</font>, CO folds, Button folds, SB calls t200, Hero ???

I think that UTG+1 may have a higher PP, but I am scared of SB. He could be on a draw or a bettor 2 pairs. Do you wait to see the turn or define your hand right now?