[NL20 SH] OP vs. vilain donk potsize in 3way

Salut les pokerstratèges,
J'aimerais votre avis cette main.

Winamax - €0.20 NL (5 max) - Holdem - 5 players
Hand converted by PokerTracker 4

BTN: 100 BB (VPIP: 36.36, PFR: 27.27, 3Bet Preflop: 0.00, Hands: 11)
SB: 166.65 BB (VPIP: 37.04, PFR: 33.33, 3Bet Preflop: 33.33, Hands: 31)
BB: 54.25 BB (VPIP: 46.15, PFR: 7.69, 3Bet Preflop: 0.00, Hands: 13)
Hero (UTG): 118.5 BB
CO: 84.15 BB (VPIP: 26.60, PFR: 20.12, 3Bet Preflop: 7.73, Hands: 4,222)

SB posts SB 0.5 BB, BB posts BB 1 BB

Pre Flop: (pot: 1.5 BB) Hero has A♥ A♣

Hero raises to 3 BB, fold, BTN calls 3 BB, fold, BB calls 2 BB

Flop: (9.5 BB, 3 players) J♣ 7♠ T♦
BB bets 9.5 BB, Hero calls 9.5 BB, BTN calls 9.5 BB

Turn: (38 BB, 3 players) 9♠
BB checks, Hero checks, BTN checks

River: (38 BB, 3 players) 8♣
BB checks, Hero checks, BTN bets 19 BB, fold, fold