5.50 TT re-raise all in here w/ the overlap?

[Diamond Lie]

The raiser has been playing a lot of hands, so there is a big range here. How good or bad is this play here?

PokerStars No-Limit Hold'em Tourney, Big Blind is t50 (6 handed) internettexasholdem.com

saw flop|<font color="#C00000">saw showdown</font>

BB (t3865)
UTG (t2160)
MP (t2395)
<font color="#C00000">Hero (t2075)</font>
<font color="#C00000">Button (t2255)</font>
SB (t750)

Preflop: Hero is CO with T[img]/images/graemlins/club.gif[/img], T[img]/images/graemlins/spade.gif[/img].
<font color="#666666">1 fold</font>, MP calls t50, Hero calls t50, <font color="#CC3333">Button raises to t300</font>, SB calls t275, <font color="#666666">1 fold</font>, MP folds, <font color="#CC3333">Hero raises to t2075</font>