PokerStars No-Limit Hold'em, $0.50 BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

SB ($92.20)
Hero ($64.15)
UTG ($11.20)
MP ($48.95)
Button ($14.80)

Preflop: Hero is BB with A, K.
UTG calls $0.50, 1 fold, Button calls $0.50, SB completes, Hero raises to $2.75, UTG folds, Button folds, SB calls $2.25.

Flop: ($6.50) 8, 9, K (2 players)
SB bets $0.5, Hero raises to $6, SB calls $5.50.

Turn: ($18.50) 6 (2 players)
SB checks, Hero bets $11, SB calls $11.

River: ($40.50) 7 (2 players)
SB checks, Hero ???

---

Villian is 56/10/1 over about 25 hands.

What's your play on the river here, and how do you like the way the hand was played up to the river?