PLO8 $600: nut low/two pair on monotone flop

[Wintermute]

$600 PL Omaha Hi/Lo
Seat 6 is the button
Total number of players : 5
Seat 2: Hero ( $1382.80 )
Seat 3: Folder ( $703 )
Seat 5: Folder ( $181 )
Seat 4: Folder ( $526 )
Seat 6: Villian ( $646 )
Hero posts small blind [$3].
pokerh20 posts big blind [$6].

** Dealing down cards **
Dealt to Hero [ 3c 2s 4h Ah ]

Folder folds.
Folder folds.
Villian calls [$6].
Hero calls [$3].
Folder checks.

** Dealing Flop ** [ 8s, 4s, As ]

Hero checks.
Folder checks.
Villian bets [$6].
Hero raises [$35.10].
Folder folds.
Villian raises [$58.20].

Hero ?