4th hand at a table KK vs minraise on flop on relatively safe board

[Saxatilis]

PokerStars No-Limit Hold'em, $0.05 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

MP ($10)
Hero ($4.93)
Button ($9.15)
SB ($13)
BB ($10.31)
UTG ($6.44)

Preflop: Hero is CO with K[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises to $0.15</font>, <font color="#666666">2 folds</font>, BB calls $0.10.

Flop: ($0.32) 2[img]/images/graemlins/heart.gif[/img], 3[img]/images/graemlins/heart.gif[/img], T[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
BB checks, <font color="#CC3333">Hero bets $0.25</font>, <font color="#CC3333">BB raises to $0.6</font>, Hero?

[Holdem_Hussl4]

I push.