PL100: AK vs all-in en river

Villano: 14/11/2[2,5/1,5/1,5]/24 Att to steal=33% WSF=39% en 500

PokerStars Pot-Limit Hold'em, $1.00 BB (9 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP1 ($103.05)

MP2 ($104.50)

MP3 ($113.75)

CO ($142.30)

Button ($100)

SB ($97.90)

Hero ($111.70)

UTG ($31.35)

UTG+1 ($90.05)

Preflop: Hero is BB with K, A.

5 folds, CO raises to $3, 2 folds, Hero raises to $9.5, CO calls $6.50.

Flop: ($19.50) K, 7, 3 (2 players)

Hero bets $12.2, CO calls $12.20.

Turn: ($43.90) J (2 players)

Hero checks, CO checks.

River: ($43.90) 8 (2 players)

Hero bets $21.7, CO raises to $106.9, Hero ??