How should i play qq in this difficult spot???

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

Button ($158.10) (23/17/5)
SB ($143.05)
BB ($101.00) (Hero)
MP3 ($102.70)
CO ($107.45)

Preflop: Hero is BB with Q[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/diamond.gif[/img]
<font color="#666666">1 folds</font>, <font color="#CC3333">CO raises to 4.0</font>, <font color="#CC3333">Button raises to 14.0</font>, <font color="#666666">1 folds</font>, Hero calls $13.00, <font color="#666666">1 folds</font>,

Flop: 6[img]/images/graemlins/heart.gif[/img], 2[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/club.gif[/img] ( $32.5 )
Hero checks, Button checks,

Turn: J[img]/images/graemlins/diamond.gif[/img] ( $32.5 )
Hero checks, <font color="#CC3333">Button bets $22.00</font>, Hero calls $22.00,

River: 6[img]/images/graemlins/spade.gif[/img] ( $76.5 )
Hero checks, <font color="#CC3333">Button bets $122.10</font>, <font color="#666666">1 folds</font>,

Final Pot: $195.60

Results:
Hero has Q[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/diamond.gif[/img]
Outcome: Button wins $195.60


4-bet PFR?
bet fold on turn?

i dont know how to play qq in this spot...
or just check / fold