Player has shown to be maniac, openshoving crap like 53s and showing down. He has also shown a propensity to shove 10x pot on flops. How do we play vs this opponent with the apparent nuts?

Full Tilt No-Limit Hold'em, 6+0.25 Tournament, 20/40 Blinds (2 handed) - Full-Tilt Replayer from Poker Hands Replayer



SB (t885)
Jizzy Sawya (Button) (t2115)

Jizzy Sawya's M: 35.25

Preflop: Jizzy Sawya is Button with A , 9
Jizzy Sawya calls t20, SB checks

Flop: (t80) A , 10 , 3 (2 players)
SB checks, Jizzy Sawya bets t80, SB calls t80

Turn: (t240) A (2 players)
SB checks, Jizzy Sawya checks

River: (t240) 5 (2 players)
SB checks, Hero (t1995) ?