NL200 - Blind Battle - Crying Call with AJ vs. 3 barrels

[Grandmaster Flush]

Button ($38)
SB SB ($187)
BB Hero ($245.50)
UTG ($488.50)

villain ist ein 22/18/4 tag und recht aggro postflop. hat 35% steal attempt, aber 75% davon on SB (über 150 hände).

Preflop: Hero is in the BB with A J
2 folds, SB raises to 6, Hero calls 4.

Flop (12) A 7 9
SB bets 6, Hero calls 6.

Turn (24) 2
SB bets 17, Hero calls 17.

River (58) K
SB bets 38, Hero ?