Okay so i know this is standard but...

No-Limit Hold'em, $0.05 BB (9 handed) - Hold'em Manager Converter Tool from FlopTurnRiver.com

MP3 ($5.50)
CO ($6.06)
Button ($17.93)
Hero (SB) ($9.95)
BB ($10)
UTG ($11.19)
UTG+1 ($5)
MP1 ($0.70)
MP2 ($5.38)

Preflop: Hero is SB with A, A
1 fold, UTG+1 calls $0.05, 5 folds, Hero raises $0.23, 1 fold, UTG+1 calls $0.20

Flop: ($0.55) 9, 2, 4 (2 players)
Hero bets $0.50, UTG+1 raises $4.75 (All-In), Hero calls $4.25

Turn: ($10.05) 5 (2 players, 1 all-in)

River: ($10.05) 7 (2 players, 1 all-in)

Total pot: $10.05

This got me thinking about if the villian had been deeper. At what point do we fold to the all in? What pot odds do i need to make sure this is profitable.