Trying to figure out how many combos call a river bet here. In hindsight I like a c-c better here but his bet sizing was pretty small so I am less inclined to put him on a monster and thinking a thin VB may be ok in this spot?

PokerStars - $0.50 NL FAST (6 max) - Holdem - 6 players
Hand converted by PokerTracker 4


BTN: 140 BB (VPIP: 66.67, PFR: 33.33, 3Bet Preflop: 0.00, Hands: 3)
SB: 236.62 BB (VPIP: 21.25, PFR: 18.75, 3Bet Preflop: 12.50, Hands: 82)
BB: 163.32 BB (VPIP: 27.27, PFR: 18.18, 3Bet Preflop: 0.00, Hands: 23)
UTG: 29.38 BB (VPIP: 29.63, PFR: 25.93, 3Bet Preflop: 0.00, Hands: 28)
MP: 205.54 BB (VPIP: 25.00, PFR: 25.00, 3Bet Preflop: 0.00, Hands: 8)
Hero (CO): 166.1 BB


SB posts SB 0.5 BB, BB posts BB 1 BB


Pre Flop: (pot: 1.5 BB) Hero has 8 9


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


Flop: (10 BB, 3 players) 2 A 9
SB checks, Hero checks, BTN bets 4.78 BB, fold, Hero calls 4.78 BB


Turn: (19.56 BB, 2 players) 8
Hero checks, BTN bets 9.34 BB, Hero raises to 25 BB, BTN calls 15.66 BB


River: (69.56 BB, 2 players) K
Hero bets 34 BB, BTN calls 34 BB