Sorry for the hand format, no converters I can find are working right now.

Thoughts on my play and suggestions for my move on the river?

POKERSTARS GAME #8515901967: HOLD'EM NO LIMIT ($0.25/$0.50) - 2007/02/19 - 06:32:08 (ET)
Table 'Tilia II' 6-max Seat #1 is the button
Seat 1: dave_jan ($35.90 in chips)
Seat 2: Semillon81 ($56.10 in chips)
Seat 3: R][c0 ($71 in chips)
Seat 4: resomy ($2.70 in chips)
Seat 5: thecoach29 ($49.70 in chips)
Seat 6: doopy1 ($34 in chips)
Semillon81: posts small blind $0.25
R][c0: posts big blind $0.50
*** HOLE CARDS ***
Dealt to Semillon81 [Ac 3d]
resomy: folds
thecoach29: calls $0.50
doopy1: calls $0.50
dave_jan: folds
Semillon81: calls $0.25
R][c0: checks
*** FLOP *** [3s Tc 3h]
Semillon81: checks
R][c0: checks
thecoach29: checks
doopy1: checks
*** TURN *** [3s Tc 3h]
Semillon81: bets $1.30
R][c0: calls $1.30
thecoach29: folds
doopy1: calls $1.30
*** RIVER *** [3s Tc 3h 4h]
Semillon81: checks
R][c0: bets $7
doopy1: folds
Semillon81: ??

It's a fold on the river, but I really hate the entire hand a lot. I'm not tight at all and I would still fold this preflop (man I hate saying that).