$5 Standard(?) overpair play?

[kevkev60614]

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

CO (t1345)
Button (t1550)
SB (t975)
BB (t1290)
UTG (t1005)
UTG+1 (t1665)
MP1 (t2530)
Hero (t1655)
MP3 (t1485)

Preflop: Hero is MP2 with 9[img]/images/graemlins/diamond.gif[/img], 9[img]/images/graemlins/heart.gif[/img].
<font color="#666666">2 folds</font>, MP1 calls t50, <font color="#CC3333">Hero raises to t200</font>, MP3 calls t200, <font color="#666666">4 folds</font>, MP1 folds.

Flop: (t525) 2[img]/images/graemlins/heart.gif[/img], 5[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">MP3 bets t200</font>, <font color="#CC3333">Hero raises to t700</font>, MP3 calls t500.

Turn: (t1925) J[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets t755 (All-In)</font>

Misplayed?