Do i make a bigger check raise?

[J-Lo]

Party Poker No-Limit Hold'em Tourney, Big Blind is t15 (9 handed) converter

MP1 (t1030)
MP2 (t935)
MP3 (t975)
CO (t1660)
Button (t960)
SB (t1150)
Hero (t1320)
UTG (t970)
UTG+1 (t1000)

Preflop: Hero is BB with 8[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/diamond.gif[/img].
UTG calls t15, <font color="#666666">1 fold</font>, <font color="#CC3333">MP1 raises to t75</font>, <font color="#666666">5 folds</font>, Hero calls t60, UTG calls t60.

Flop: (t232.50) 5[img]/images/graemlins/club.gif[/img], 5[img]/images/graemlins/spade.gif[/img], 5[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
Hero checks, UTG checks, <font color="#CC3333">MP1 bets t125</font>, <font color="#CC3333">Hero raises to t275</font>, UTG folds, MP1 calls t150.

edit: turn action-- i check button pushes, i fold

Turn: (t782.50) 5[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, Hero folds.

Final Pot: t782.50

turn action: i check, he pushes, i fold