Party Poker No-Limit Hold'em, $ BB (9 handed) FTR converter on zerodivide.cx

CO ($38.90)
Hero ($55.80)
SB ($69.80)
BB ($46.35)
UTG ($46.55)
UTG+1 ($50)
MP1 ($49)
MP2 ($32.40)
MP3 ($9.25)

Preflop: Hero is Button with K, K. SB posts a blind of $0.25.
2 folds, MP1 calls $0.50, 2 folds, CO calls $0.50, Hero raises to $2, 2 folds, MP1 calls $1.50, CO calls $1.50.

Flop: ($6.75) 8, 8, 4 (3 players)
MP1 checks, CO checks, Hero bets $5, MP1 folds, CO calls $5.

Turn: ($16.75) J (2 players)
CO checks, Hero bets $10, CO raises to $20, Hero calls $10.

River: ($56.75) 6 (2 players)
Hero calls $11.90.

Final Pot: $68.65

Results in white below:
CO has 8d 4h (full house, eights full of fours).
Hero has Kc Kh (two pair, kings and eights).
Outcome: CO wins $68.65.

The only point I can get away from this is on the turn with the minraise... calling that commits me to calling his AI on the river... should I have put him on an 8 or JJ?