Im pretty new to Omaha but been doin quite nicely at it. This hand puzzled me tho. I really think now that i had him beat. Perhaps i should have re-raised on the flop. Im just worried that he's hit a weak flush draw with his set. Any opinions ?
Salween 4914778-15802 Omaha Pot Limit $0.25/$0.50
[Feb 7 14:29:06] : Hand Start.
[Feb 7 14:29:06] : Seat 1 : littlecow has $82.71
[Feb 7 14:29:06] : Seat 2 : RyG has $129.24
[Feb 7 14:29:06] : Seat 3 : hammertime has $97.25
[Feb 7 14:29:06] : Seat 4 : mick1930 has $106.37
[Feb 7 14:29:06] : Seat 5 : fatboy31 has $93.68
[Feb 7 14:29:06] : Seat 6 : nipps has $91.62
[Feb 7 14:29:06] : mick1930 is the dealer.
[Feb 7 14:29:07] : fatboy31 posted small blind.
[Feb 7 14:29:07] : nipps posted big blind.
[Feb 7 14:29:07] : Game [15802] started with 6 players.
[Feb 7 14:29:07] : Dealing Hole Cards.
[Feb 7 14:29:07] : Seat 2 : RyG has

Ah
[Feb 7 14:29:10] : littlecow folded.
[Feb 7 14:28:50] : RyG called $0.50 and raised $1.25
[Feb 7 14:28:53] : hammertime called $1.75
[Feb 7 14:28:55] : mick1930 folded.
[Feb 7 14:28:56] : fatboy31 called $1.50
[Feb 7 14:28:58] : nipps called $1.25
[Feb 7 14:28:59] : Dealing flop.
[Feb 7 14:28:59] : Board cards [

]
[Feb 7 14:29:01] : fatboy31 checked.
[Feb 7 14:29:03] : nipps checked.
[Feb 7 14:29:07] : RyG bet $3
[Feb 7 14:29:09] : hammertime called $3
[Feb 7 14:29:09] : fatboy31 folded.
[Feb 7 14:29:13] : nipps called $3 and raised $16
[Feb 7 14:29:47] : RyG called $16
[Feb 7 14:29:49] : hammertime folded.
[Feb 7 14:29:49] : Dealing turn.
[Feb 7 14:29:49] : Board cards [

]
[Feb 7 14:29:57] : nipps bet $15
[Feb 7 14:29:58] : RyG called $15
[Feb 7 14:29:59] : Dealing river.
[Feb 7 14:29:59] : Board cards [

]
[Feb 7 14:30:04] : nipps bet $55.87 and is All-in
[Feb 7 14:29:48] : It's your turn.
[Feb 7 14:29:48] : RyG has 10 seconds to respond.
[Feb 7 14:29:58] : RyG did not respond and is folded
[Feb 7 14:29:59] : nipps wins $75 as the last player standing
[Feb 7 14:30:02] : Hand is over.