Poker Stars
No Limit Holdem Ring game
Blinds: $0.10/$0.25
6 players
Converter

Pre-flop: (6 players) Hero is BB with 5 7
UTG folds, UTG+1 calls, CO folds, Button calls, SB calls, Hero checks.

Flop: 7 A 5 ($1, 4 players)
SB checks, Hero bets $0.75, UTG+1 calls, 2 folds.

Turn: 8 ($2.5, 2 players)
Hero bets $2, UTG+1 calls.

River: T ($6.5, 2 players)
Hero checks, UTG+1 bets $2.25, Hero calls.

Results:
Final pot: $11

How much does he have to bet for me to fold?

Do you be out here and fold to a raise instead?