Steal gone bad

[future]

Villain has been limping a lot so I figured I could raise it and take it down with the best hand preflop. Do I just give it up on the flop? If he had a hand why wouldn't he go for the check-raise?

PokerStars No-Limit Hold'em Tourney, Big Blind is t200 (9 handed) converter

Button (t2860)
SB (t5395)
BB (t5395)
UTG (t5505)
UTG+1 (t3520)
MP1 (t1620)
MP2 (t4445)
MP3 (t4875)
Hero (t6425)

Preflop: Hero is CO with A[img]/images/graemlins/spade.gif[/img], 9[img]/images/graemlins/heart.gif[/img].
<font color="#666666">3 folds</font>, MP2 calls t200, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to t800</font>, <font color="#666666">3 folds</font>, MP2 calls t600.

Flop: (t1900) 8[img]/images/graemlins/spade.gif[/img], 3[img]/images/graemlins/spade.gif[/img], 5[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Villain Pushes

Final Pot: t1900