Button raises my blind, I am big stack with 87s

[betgo]

$100, 47 players left 36 places pay. I am in 5th place. Villain has loose PT stats, but I don't think he is stealing here. Push, call, or fold?
PokerStars No-Limit Hold'em Tourney, Big Blind is t600 (9 handed) internettexasholdem.com

SB (t3914)
Hero (t20652)
UTG (t10971)
UTG+1 (t10372)
MP1 (t4976)
MP2 (t4915)
MP3 (t11937)
CO (t11526)
Button (t13910)

Preflop: Hero is BB with 8[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/club.gif[/img].
<font color="#666666">6 folds</font>, <font color="#CC3333">Button raises to t1800</font>, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero ???