villain is a reg, only have 200 hands on him but he's playing 15/10/4

HERO is CO with AdTc ($450)
VILLAIN is BB ($370)

HERO raises to $6, VILLAIN calls $6
pot=$12

flop: JcQd9c
VILLAIN checks, HERO bets $8, VILLAIN calls $8
pot= $28

turn: Ks
VILLAIN bets $17.50, HERO raises to $43.75, VILLAIN calls $43.75
pot=$115.50

river: Js
VILLAIN checks, HERO bets $80.00, VILLAIN raises $312.25 and is all in. HERO ???