25Nl full ring (10 seats)
Hero dealt KK in MLP
UTG raises to $0.75
EMP calls $0.75
Hero calls $0.75
Flop comes 8c 5c Kc
UTG bets $2.00
EMP raises to $6.00
Hero?

1) My mistake was not re-raising pre-flop. How much should I have re-raised (assuming I'm right that was a mistake by me, I'm certain it was.)

2) Fold right move?

I dont remeber either UTG or EMP being crazy betters before this, they both seemed tight.