PLO8 cat and mouse

[XxPenguinxX]

What do you make of Hero's and Villain's play here?

PokerStars Game #3239678307: Omaha Hi/Lo Pot Limit ($0.10/$0.25) - 2005/12/04 - 14:37:21 (ET)
Table 'Riceia' Seat #1 is the button
Seat 1: kcchia80 ($40.75 in chips)
Seat 2: Villain ($55.85 in chips)
Seat 3: sloper ($24.40 in chips)
Seat 4: daffysneezer ($11.90 in chips)
Seat 5: zobe49 ($10.55 in chips)
Seat 6: funkyc ($13.65 in chips)
Seat 7: Hero($24.70 in chips)
Seat 8: Karsa ($13.85 in chips)
Seat 9: Kelly82 ($23.95 in chips)
Villain: posts small blind $0.10
sloper: posts big blind $0.25
*** HOLE CARDS ***
Dealt to Hero [Ac 4c 3c Ks]
daffysneezer: folds
zobe49: calls $0.25
funkyc: calls $0.25
Hero: calls $0.25
Karsa: folds
Kelly82: folds
kcchia80: calls $0.25
Villain: calls $0.15
sloper: checks
*** FLOP *** [8s 2h 9h]
Villain: bets $1.45
3 folds
Hero: raises $2.30 to $3.75 I thought a big raise here might make him fold a bare A3 or something he wasn't that sure of
1 fold
Villain: calls $2.30
*** TURN *** [8s 2h 9h] [4s]
Villain: checks
Hero: bets $8.60 That check smacks of weakness to me - again, thought he might lay it down
Villain: calls $8.60
*** RIVER *** [8s 2h 9h 4s] [8d]
Villain: checks
Hero: checks
*** SHOW DOWN ***
Villain: shows [9s 7s 4d 9c] (HI: a full house, Nines full of Eights)
Hero: shows [Ac 4c 3c Ks] (HI: two pair, Eights and Fours; LO: 8,4,3,2,A)
Villain collected $12.50 from pot
Hero collected $12.45 from pot