oversized all-in auf KK99T board

[3.-]

FTR Hand History Converter Output (intended for copying and pasting into poker forums!):
Full Tilt No-Limit Hold'em, $0.25 BB (8 handed) - Full-Tilt Converter Tool from FlopTurnRiver.com

Hero (SB) ($33.78)
BB ($27.80)
UTG ($25.86)
UTG+1 ($29.56)
MP1 ($25)
MP2 ($8.74)
CO ($35.65)
Button ($57.46)

Preflop: Hero is SB with 9, J
6 folds, Hero calls $0.15, BB checks

Flop: ($0.50) K, K, 9 (2 players)
Hero bets $0.25, BB calls $0.25

Turn: ($1) 9 (2 players)
Hero checks, BB bets $1, Hero calls $1

River: ($3) 10 (2 players)
Hero checks, BB bets $26.30 (All-In), Hero folds

Total pot: $3 | Rake: $0.15
Main pot: $3 returned to BB

Results:
BB didn't show
Outcome: BB won $2.85


wer foldet hier nicht? ist mir im nachhinein unklar, wieso ich auf dem turn check/call spielte. denke, c/r auf 3.50$ wäre ok gewesen. flop ev. auch schon 0.40$?