25NL Okay to fold KK here?

[RapidEvolution]

PokerStars No-Limit Hold'em, $0.25 BB (7 handed) Poker Stars Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

saw flop|<font color="#C00000">saw showdown</font>

Button ($9.15)
<font color="#C00000">SB ($17.85)</font>
BB ($9.45)
UTG ($10.30)
<font color="#C00000">MP1 ($21.70)</font>
MP2 ($5.35)
Hero ($27.30)

Preflop: Hero is CO with K[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/club.gif[/img].
UTG calls $0.25, MP1 calls $0.25, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $1.5</font>, <font color="#666666">1 fold</font>, SB calls $1.40, <font color="#666666">1 fold</font>, UTG calls $1.25, MP1 calls $1.25.

Flop: ($6.25) T[img]/images/graemlins/spade.gif[/img], J[img]/images/graemlins/spade.gif[/img], 5[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">SB bets $6</font>, UTG folds, MP1 calls $6, Hero folds.

Turn: ($18.25) Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets $10.35 (All-In)</font>, MP1 calls $10.35.

River: ($0) J[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players, 1 all-in)</font>

Final Pot: $38.95

Less than 20 hands on each villain. Flop fold okay here?