Set vs donk river coordinado

PokerStars - €0.10 NL (6 max) - Holdem - 6 players

Hand converted by PokerTracker 4

BB: 50 BB (VPIP: 22.76, PFR: 17.36, 3Bet Preflop: 4.17, Hands: 148)

Hero (UTG): 100 BB

MP: 84.2 BB (VPIP: 44.90, PFR: 7.14, 3Bet Preflop: 0.00, Hands: 103)

CO: 100.6 BB (VPIP: 18.84, PFR: 9.76, 3Bet Preflop: 3.41, Hands: 1,097)

BTN: 59.4 BB (VPIP: 63.16, PFR: 21.05, 3Bet Preflop: 10.00, Hands: 21)

SB: 125 BB (VPIP: 90.91, PFR: 18.18, 3Bet Preflop: 0.00, Hands: 11)

SB posts SB 0.5 BB, BB posts BB 1 BB

Pre Flop: (pot: 1.5 BB) Hero has 3:club: 3DIAMONd

Hero raises to 3 BB, fold, fold, BTN calls 3 BB, SB calls 2.5 BB, fold

Flop: (10 BB, 3 players) 5:club: 3:spade: K:heart:

SB checks, Hero bets 4.7 BB, fold, SB calls 4.7 BB

Turn: (19.4 BB, 2 players) 4DIAMONd

SB checks, Hero bets 12.2 BB, SB calls 12.2 BB

River: (43.8 BB, 2 players) 6:heart:

SB bets 21 BB, Hero ???

HERO: 3c 3d

FLOP: 5c 3s Kh

TURN: 4d

RIVER: 6h

El rival es un 91/18 en 10 manos.