Jacks on an AAx board

[ChuckNorris]

I usually play Party's $55 Sit'n'Gos, but today I felt like 4-tabling some NL25 6-max for a change. Villain is a very loose and passive fish. Any comments about my play? Is the river clearly a fold? I find it hard to believe that villain has anything worse than trips, but of course I only need to win occasionally to call.

Seat 1 is the button
Total number of players : 6
Seat 1: MrBobblehead ( $38.56 )
Seat 2: Mulperi ( $31.95 )
Seat 3: nutsrme ( $54.55 )
Seat 5: kjbluff ( $24.31 )
Seat 6: Smigul ( $17.86 )
Seat 4: Vildsint_swe ( $25.80 )
Mulperi posts small blind [$0.10].
nutsrme posts big blind [$0.25].

** Dealing down cards **
Dealt to Mulperi [ Jc Js ]
Vildsint_swe folds.
kjbluff calls [$0.25].
Smigul calls [$0.25].
MrBobblehead folds.
Mulperi raises [$1.40].
nutsrme folds.
kjbluff folds.
Smigul calls [$1.25].

** Dealing Flop ** [ 9d, Ad, Ac ]
Mulperi bets [$2].
Smigul calls [$2].

** Dealing Turn ** [ 8h ]
>You have options at Table 36680 (6 max) Table!.
Mulperi checks.
Smigul checks.

** Dealing River ** [ 4c ]
Mulperi bets [$3].
Smigul raises [$6].
Mulperi ??

[RiverTheNuts]

im stumped... I would play this way with a weak ace... which is probably what he has... passive people dont minraise with nothing, Id say you are effed here

If I am him I minraise this with a aces full boat and hope that you come over the top with a set or trip A's