$6.5T level2 KK in SB PostFlop line check

[ontiltsoon]

No reads on viilain.

PokerStars No-Limit Hold'em Tourney, Big Blind is t30 (6 handed) internettexasholdem.com

Button (t1445)
Hero (t1440)
BB (t2350)
UTG (t1450)
MP (t6010)
CO (t805)

Preflop: Hero is SB with K[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">1 fold</font>, MP calls t30, <font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises to t150</font>, <font color="#666666">1 fold</font>, MP calls t120.

Flop: (t330) T[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets t210</font>, MP calls t210.

Turn: (t750) 3[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets t420</font>, MP calls t420.

River: (t1590) T[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">MP bets t660</font>, Hero calls t660 (All-In).

Final Pot: t2910

How is this line?