So basically, button player went all in with slightly above 1 BB . I was SB and didn’t call given a large chip stack on BB. BB FOLDSSSSSSSSS. all he had to do was call 40 more

given my stack..would you have called there or isolated or was the fold the right move?

PokerStars Game #43702676479: Tournament #268003168, $4.00+$0.40 USD Hold’em No Limit – Level XIV (250/500) – 2010/05/06 15:33:56 ET
Table ‘268003168 45’ 9-max Seat #1 is the button
Seat 1: Omar Miscasa (600 in chips)
Seat 2: RedRaidersTT (15155 in chips)
Seat 3: AltyAA (14390 in chips)
Seat 4: temoue83 (4260 in chips)
Seat 5: Malaren (3280 in chips)
Seat 7: kebberss (6430 in chips)
Seat 8: Cas200501 (6500 in chips)
Seat 9: FrankRaab (2050 in chips)
Omar Miscasa: posts the ante 60
RedRaidersTT: posts the ante 60
AltyAA: posts the ante 60
temoue83: posts the ante 60
Malaren: posts the ante 60
kebberss: posts the ante 60
Cas200501: posts the ante 60
FrankRaab: posts the ante 60
RedRaidersTT: posts small blind 250
AltyAA: posts big blind 500
*** HOLE CARDS ***
Dealt to RedRaidersTT [Jh 6h]
temoue83: folds
Malaren: folds
kebberss: folds
h0m3r_13_ is connected
Cas200501: folds
FrankRaab: folds
Omar Miscasa: raises 40 to 540 and is all-in
RedRaidersTT: folds
AltyAA: folds
Uncalled bet (40) returned to Omar Miscasa
Omar Miscasa collected 1730 from pot
*** SUMMARY ***
Total pot 1730 | Rake 0
Seat 1: Omar Miscasa (button) collected (1730)
Seat 2: RedRaidersTT (small blind) folded before Flop
Seat 3: AltyAA (big blind) folded before Flop
Seat 4: temoue83 folded before Flop (didn’t bet)
Seat 5: Malaren folded before Flop (didn’t bet)
Seat 7: kebberss folded before Flop (didn’t bet)
Seat 8: Cas200501 folded before Flop (didn’t bet)
Seat 9: FrankRaab folded before Flop (didn’t bet)