AKo vs. a maniac?

[KaiShin]

Game is Cryptologic $1/$2.

The table is loose, with the Villain a LAP, VPIP 89, PFR 44, plays every hand.

Preflop: Hero is button with Ah Kd.
1 fold, UTG+1 calls, 1 fold, <font color="blue">Villain calls</font>, MP3 calls, 1 fold,<font color="red"> Hero raises </font>, SB calls, BB calls, UTG+1 calls, <font color="blue">Villain calls</font>, MP3 calls.

Flop: 9s, 3d, 9d
SB checks, BB checks, UTG+1 checks, Villain bets, MP3 calls, <font color="red">Hero raises</font>, SB folds, BB folds, UTG+1 calls, Villain calls, MP3 folds.

Turn: 7h
UTG+1 checks,<font color="blue"> Villain bets </font>,<font color="red"> Hero raises </font>, UTG+1 calls,<font color="blue"> Villain calls </font>.

River: Th
UTG+1 checks,<font color="blue"> Villain checks </font>,<font color="red"> Hero bets </font>, UTG+1 folds,<font color="blue"> Villain calls </font>.

Final pot: 33.25BB

Should I have slowed down at any point? Other comments?