NL 100 KK on turn.... bet / fold or C/C / C /F ?

[fullcontact]

Titan No-Limit Hold'em, $0.50/$1.00BB (Titan HH Converter by Kreatief)

MP3 ($112.05)
CO ($128.80)
Button ($189.65) 165 Hands 27/15/1.8 / went to showdown: 30%
SB ($103.70)
BB ($20.00)
MP2 ($211.96) (Hero)

Preflop: Hero is MP2 with K[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/club.gif[/img]
<font color="#CC3333">Hero raises to 4.0</font>, <font color="#666666">1 folds</font>, CO calls $4.00, Button calls $4.00, <font color="#666666">2 folds</font>,

Flop: T[img]/images/graemlins/club.gif[/img], 3[img]/images/graemlins/spade.gif[/img], J[img]/images/graemlins/heart.gif[/img] ( $13.5 )
<font color="#CC3333">Hero bets $11.00</font>, <font color="#666666">1 folds</font>, Button calls $11.00,

Turn: A[img]/images/graemlins/heart.gif[/img] ( $35.5 )
Hero checks, <font color="#CC3333">Button bets $18.00</font>,


How should i play KK on the turn ?
I think bet / fold is much better than check/ call.