Bad Fold?!

Well, this was a pretty good flop for me, but before the action could get to me, it went bet - call - then reraise so I figured that some of my outs were tainted... I have this jinx that if I fold it, I will hit it and low and behold, look what came at the river:

PokerStars Game #7782920148: Hold'em No Limit ($0.50/$1.00) - 2007/01/05 - 18:48:34 (ET)
Table 'Balios V' 9-max Seat #3 is the button
Seat 1: ss2487 ($99.55 in chips)
Seat 2: Boesdokter ($25.55 in chips)
Seat 3: floguana ($72.40 in chips)
Seat 4: gibbybrother ($73.25 in chips)
Seat 5: GatorChas ($50.30 in chips)
Seat 6: nohowwhy ($44.75 in chips)
Seat 7: fifty_00 ($88.25 in chips)
Seat 8: jlee1224 ($82.05 in chips)
Seat 9: WPTunderdog ($177.05 in chips)
gibbybrother: posts small blind $0.50
GatorChas: posts big blind $1
*** HOLE CARDS ***
Dealt to WPTunderdog [8d Td]
nohowwhy: folds
fifty_00: calls $1
jlee1224: calls $1
WPTunderdog: calls $1
ss2487: folds
Boesdokter: folds
floguana: calls $1
gibbybrother: calls $0.50
GatorChas: checks
*** FLOP *** [9d 5c 7c]
gibbybrother: checks
GatorChas: bets $3
fifty_00: calls $3
jlee1224: raises $6 to $9
WPTunderdog: folds
floguana: folds
gibbybrother: folds
GatorChas: calls $6
fifty_00: folds
*** TURN *** [9d 5c 7c] [Ad]
GatorChas: checks
jlee1224: checks
*** RIVER *** [9d 5c 7c Ad] [Jd]
gibbybrother leaves the table
GatorChas: checks
jlee1224: checks
*** SHOW DOWN ***
GatorChas: shows [Tc 8s] (a straight, Seven to Jack)
jlee1224: mucks hand
GatorChas collected $25.70 from pot
Omistaja joins the table at seat #4
*** SUMMARY ***
Total pot $27 | Rake $1.30
Board [9d 5c 7c Ad Jd]
Seat 1: ss2487 folded before Flop (didn't bet)
Seat 2: Boesdokter folded before Flop (didn't bet)
Seat 3: floguana (button) folded on the Flop
Seat 4: gibbybrother (small blind) folded on the Flop
Seat 5: GatorChas (big blind) showed [Tc 8s] and won ($25.70) with a straight, Seven to Jack
Seat 6: nohowwhy folded before Flop (didn't bet)
Seat 7: fifty_00 folded on the Flop
Seat 8: jlee1224 mucked [9s Ks]
Seat 9: WPTunderdog folded on the Flop

Same str8 with but I had the backdoor flush... ARGH!!