Same Villain and we get to this river...

Seat 1: BB ($50)

Sitting out

Seat 2: UTG ($52.90)
Seat 3: UTG+1 ($62.15)
Seat 4: MP1 ($62.70)
Seat 5: MP2 ($11)
Seat 6: MP3 ($81.40)
Seat 7: CO ($50)

Dealer

Seat 8: Button ($21.35)

Posts small blind $0.25

Seat 9: SB ($9.25)

Dealt to BB

Preflop: (Pot: $0.75)

FOLD UTG+1
RAISE MP1, to $1
FOLD MP3
FOLD CO
CALL Button, $1
FOLD SB
CALL BB, $.50

Flop: (Pot: $3.25)

BET BB, $1.50
CALL MP1, $1.50
CALL Button, $1.50

Turn: (Pot: $7.75)

BET BB, $5.50
CALL MP1, $5.50
FOLD Button

River: (Pot: $18.75)

BET BB, $9
RAISE MP1, to $54.70 and is ALL-IN

ME? WTF.... I have to fold?