Interesting hand

Seat 1: Villain ($380)
Seat 2: Seat 2 ($180)
Seat 3: Seat 3 ($80)
Seat 4: Vinny ($250)
Seat 5: Seat 5 ($0; empty)
Seat 6: PI ($300)
Seat 7: mrpto ($985)
Seat 8: new player ($500)
Seat 9: Hero ($385)
Seat 3 posts the small blind of $1
Vinny posts the big blind of $2
The button is in seat #2
*** HOLE CARDS ***
Dealt to Hero [8c 8s]
Seat 5 calls $2
PI calls $2
mrpto folds
new player folds
Hero raises to $12
Villain calls $12
Seat 2 folds
Seat 3 folds
Vinny folds
Seat 5 folds
PI folds
*** FLOP *** [8h 4h 2c]
Hero bets $15
Villain calls $15
*** TURN *** [8h 4h 2c] [Kc]
Hero bets $45
Villain calls $45
*** RIVER *** [8h 4h 2c Kc] [6d]
Hero bets $70
Villain raises to $308 and is Allin

What do you do?