DISGUSTING river jam

Hero (BTN): 251.6 BB
SB: 330.8 BB
BB: 253.6 BB
UTG: 205.4 BB
MP: 106.6 BB
CO: 188 BB

SB posts SB 0.4 BB, BB posts BB 1 BB

Pre Flop: (pot: 1.4 BB) Hero has 9♣ 7♣

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

Flop: (6.4 BB, 2 players) A♣ 7♠ T♣
BB checks, Hero bets 2 BB, BB calls 2 BB

Turn: (10.4 BB, 2 players) 7♦
BB bets 2.6 BB, Hero raises to 12 BB, BB raises to 29 BB, Hero calls 17 BB

River: (68.4 BB, 2 players) K♦
BB bets 219.6 BB and is all-in, Hero?

😬