Best flop play here?

I have never played with this person before, and just came to this table. Anyone call this raise? A lot of people at these tables will raise in this situation with 3-4-x-x.

#Game No : 2940259629
***** Hand History for Game 2940259629 *****
$25 PL Omaha Hi/Lo - Thursday, October 27, 18:27:21 EDT 2005
Table Table 65413 (Real Money)
Seat 9 is the button
Total number of players : 10
Seat 1: oOMilleOo ( $6.58 )
Seat 2: Murlo ( $47.18 )
Seat 3: qaarkman ( $18.63 )
Seat 4: syld941 ( $25.87 )
Seat 5: leze1 ( $43.28 )
Seat 6: chet71 ( $35.92 )
Seat 7: bf5512 ( $27.98 )
Seat 8: tomahawk1 ( $37.45 )
Seat 9: SKpaid ( $7.75 )
Seat 10: davebreal ( $20.15 )
davebreal posts small blind [$0.10].
oOMilleOo posts big blind [$0.25].
** Dealing down cards **
Dealt to davebreal [ Ah 2d Jc 6s ]
Murlo calls [$0.25].
qaarkman folds.
syld941 folds.
leze1 folds.
bf5512 calls [$0.25].
SKpaid folds.
davebreal calls [$0.15].
oOMilleOo checks.
** Dealing Flop ** [ Ac, Kd, 2h ]
davebreal bets [$0.75].
oOMilleOo calls [$0.75].
Murlo raises [$3.95].
bf5512 folds.
davebreal: ????