KK - turn improves my hand? - 25NL

[InfectorGadget]

Villain (BB) is 18/8/1.17 over 40 hands, not seen him showing a hand yet

PokerStars No-Limit Hold'em, $0.25 BB (6 handed) Hand History Converter Tool (http://poker-tools.flopturnriver.com/Hand-Converter.php) from FlopTurnRiver.com (http://www.flopturnriver.com) (Format: 2+2 Forums)

BB ($25.50)
UTG ($28.20)
Hero ($25.35)
CO ($23.95)
Button ($23)
SB ($18.30)

Preflop: Hero is MP with K/images/graemlins/heart.gif, K/images/graemlins/spade.gif.
UTG calls $0.25, <font color="#CC3333">Hero raises to $1.25</font>, <font color="#666666">1 fold</font>, Button calls $1.25, <font color="#666666">1 fold</font>, BB calls $1, UTG folds.

Flop: ($4.10) J/images/graemlins/diamond.gif, 5/images/graemlins/spade.gif, 7/images/graemlins/spade.gif <font color="#0000FF">(3 players)</font>
BB checks, <font color="#CC3333">Hero bets $2.5</font>, Button folds, BB calls $2.50.

Turn: ($9.10) Q/images/graemlins/spade.gif <font color="#0000FF">(2 players)</font>
BB checks, Hero ...

Bet out this turn? (the weak flop bet was a typo on my keyboard, missed the 3 :/)

[MrMxyztplk]

Check turn.

[KurtSF]

noob here

Check it. Pot control. If he checks again on the river bet for value.

????????