(NL5) 2nd nut flush against maniac

[BotOnTilt]

Hello sirs,

Villain (MP2) feels like a maniac. PT gives me 35/9/3.6 for 330 hands. He doesn't seem like a good player, but he is very aggressive and I think he likes to play for stacks.
No-Limit Hold'em, $0.04 BB (10 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

UTG+1 ($1.60)
UTG+2 ($10.51)
MP1 ($2.33)
MP2 ($5.52)
MP3 ($1.43)
CO ($4.85)
Button ($3.05)
SB ($5.55)
Hero ($5)
UTG ($4.54)

Preflop: Hero is BB with T[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/club.gif[/img].
<font color="#666666">3 folds</font>, MP1 calls $0.04, <font color="#CC3333">MP2 raises to $0.08</font>, <font color="#666666">1 fold</font>, CO calls $0.08, <font color="#666666">2 folds</font>, Hero calls $0.04, MP1 calls $0.04.

Flop: ($0.34) 4[img]/images/graemlins/diamond.gif[/img], 6[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
Hero checks, <font color="#CC3333">MP1 bets $0.04</font>, <font color="#CC3333">MP2 raises to $0.32</font>, CO calls $0.32, Hero calls $0.32, MP1 calls $0.28.

Turn: ($1.62) K[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">Hero bets $1</font>, MP1 folds, <font color="#CC3333">MP2 raises to $2</font>, CO folds, Hero??

Of course I'm not folding for this min-raise, but should I push or call? I just think villains line is very strange, min-betting PF and if he has the nut-flush draw then he would need to have AJs or A9s or an even smaller ace and I don't think his play looks like that, would he have raised pre-flop and the flop like that? Then again if he doesn't have the flush would he raise when the flush card hits? He is a maniac though, and I'd much prefer to stack him than just take a small chunk of his chips if he has a set or something like it.