Calling a push with overpair when board pairs

[Freudian]

Villain has a VPIP of 40. Anyone thinks this is a bad call? I thought about it for a good while.

Party Poker No-Limit Hold'em Tourney, Big Blind is t30 (7 handed) converter

Hero (t715)
CO (t1460)
Button (t1810)
SB (t1265)
BB (t915)
UTG (t800)
MP1 (t1035)

Preflop: Hero is MP2 with K[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/heart.gif[/img].
UTG calls t30, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to t100</font>, <font color="#666666">4 folds</font>, UTG calls t70.

Flop: (t245) 5[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/spade.gif[/img], 6[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">UTG bets t30</font>, <font color="#CC3333">Hero raises to t250</font>, UTG calls t220.

Turn: (t745) T[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font> UTG pushes all-in [t550], <font color="red">Hero calls</font>