River facing donk

50plo - clubgg - min35 vpip
Villain has very passive stats
Is river a snap fold?

Hero (BTN): 110.82 BB
SB: 335.78 BB (VPIP: 43.16, PFR: 3.16, 3Bet Preflop: 0.00, Hands: 125)
BB: 95 BB (VPIP: 54.55, PFR: 0.00, 3Bet Preflop: 0.00, Hands: 14)
UTG: 150.58 BB (VPIP: 12.50, PFR: 0.00, 3Bet Preflop: 0.00, Hands: 21)
CO: 96.94 BB (VPIP: 58.49, PFR: 33.96, 3Bet Preflop: 23.81, Hands: 67)

SB posts SB 0.5 BB, BB posts BB 1 BB

Pre Flop: (pot: 1.5 BB) Hero has A♣ 8♣ 6♠ 5♣

fold, fold, Hero raises to 2.5 BB, SB calls 2 BB, fold

Flop: (6 BB, 2 players) 9♥ 2♠ 7♦
SB checks, Hero bets 3.3 BB, SB calls 3.3 BB

Turn: (12.6 BB, 2 players) T♥
SB checks, Hero bets 9.46 BB, SB calls 9.46 BB

River: (31.52 BB, 2 players) 9♠
SB bets 15.76 BB