How do you proceed?

[loose passive]

PokerStars No-Limit Hold'em Tourney, Big Blind is t50 (9 handed) converter
$10+1

Button (t2365)
SB (t1230)
Hero (t1500)
UTG (t2763)
UTG+1 (t394)
MP1 (t1640)
MP2 (t1405)
MP3 (t523)
CO (t1680)

Preflop: Hero is BB with J[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/spade.gif[/img].
UTG calls t50, <font color="#666666">5 folds</font>, Button calls t50, <font color="#666666">1 fold</font>, Hero checks.

Flop: (t175) T[img]/images/graemlins/heart.gif[/img], Q[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero?</font>