Facing flop lead in 3bet pot

Yatahay Network - $0.05 PL Hi (6 max) - Omaha Hi - 5 players
Hand converted by Holdem Manager 3

BB: $4.31 (86.2 bb)
UTG: $3.02 (60.4 bb)
CO: $5.21 (104.2 bb)
Hero (BTN): $5.00 (100 bb)
SB: $4.98 (99.6 bb)

SB posts $0.02, BB posts $0.05

Pre Flop: (pot: $0.07) Hero has 6♠ A♦ A♥ 9♥
UTG raises to $0.10, CO calls $0.10, Hero raises to $0.47, 2 folds, UTG calls $0.37, fold

Flop: ($1.11, 2 players) 3♠ 5♥ T♣
UTG bets $0.55, Hero?