How bad did I play this and then should I call....

Something was just tellin me he didn't have a jack, but I've been runnin into a problem with ppl smooth callin me lately. I play so aggressively that I actually hate being in position because I can't check behind when I miss. Anyone who really pays attention can check raise me quite often. It's a leak I need to work on. I could use help with that too. Any ideas....

Yeah and how bad did I play this....

Full Tilt Poker Game #366148342: $20 + $2 Sit & Go (2373804), Table 1 - 80/160 - No Limit Hold'em - 3:41:18 ET - 2006/01/03
Seat 2: r6191 (4,495)
Seat 5: fade177 (5,795)
Seat 7: Mold (3,210)
r6191 posts the small blind of 80
fade177 posts the big blind of 160
The button is in seat #7
*** HOLE CARDS ***
Dealt to fade177 [7s 4s]
Mold calls 160
r6191 calls 80
fade177 checks
*** FLOP *** [5s Jd Js]
r6191 checks
fade177 bets 480
Mold folds
r6191 calls 480
*** TURN *** [5s Jd Js] [2d]
r6191 checks
fade177 bets 1,440
r6191 calls 1,440
*** RIVER *** [5s Jd Js 2d] [Ks]
r6191 bets 2,415, and is all in
fade177: did u chase the same flush i did?
fade177 has 15 seconds left to act
fade177 folds
Uncalled bet of 2,415 returned to r6191
r6191 mucks
r6191 wins the pot (4,320)
*** SUMMARY ***
Total pot 4,320 | Rake 0
Board: [5s Jd Js 2d Ks]
Seat 2: r6191 (small blind) collected (4,320), mucked
Seat 5: fade177 (big blind) folded on the River
Seat 7: Mold (button) folded on the Flop

Check/fold on the flop. I find a better hand to play with especially out of position.

the turn bet looks quite huge for a 7 high flush draw

also, this belongs in the SNG section

weak. You bet the whole way to hit your flush and fold.