KK on the button - Where did it go wrong?

[bukkrukk]

20$ NL SnG.

20/40 blinds. All active players have stacks around T1000.

Hero has KK on the button.

Ep1 calls 20. MP1 raises 180. MP2 calls. Hero Calls. EP1 calls.

Flop J/images/graemlins/club.gif4 /images/graemlins/spade.gif 5/images/graemlins/heart.gif

EP1 goes allin for 440. MP1 Calls. MP2 calls. Hero calls.

Turn
3/images/graemlins/heart.gif

MP1 checks, MP2 goes allin for 160. Hero calls. MP1 calls.

River
A /images/graemlins/spade.gif

MP1 and Hero Checks.

[NotMitch]

[ QUOTE ]
Hero has KK on the button.

Ep1 calls 20. MP1 raises 180. MP2 calls. Hero Calls.


[/ QUOTE ]

Here is where it went wrong. I would reraise here because you likely have the best hand and reraising is awesome. You had KK and never once raised in the hand, that is rarely correct.