Call preflop is non standard i think but with flush in blind he is invited to come along with crap and his passive tendencies. When flopping nut flush draw, standard raise. On turn fire away with our showdown value or just check and hope to hit. River is standard fold.
PokerStars - $0.16 NL (6 max) - Holdem - 5 players
Hand converted by PokerTracker 4
Hero (CO): 100 BB
BTN: 176 BB (VPIP: 18.13, PFR: 14.20, 3Bet Preflop: 6.67, Hands: 338)
SB: 48.25 BB (VPIP: 55.00, PFR: 0.00, 3Bet Preflop: 0.00, Hands: 22)
BB: 103.56 BB (VPIP: 19.81, PFR: 15.46, 3Bet Preflop: 6.02, Hands: 209)
UTG: 110.38 BB (VPIP: 27.27, PFR: 22.31, 3Bet Preflop: 11.54, Hands: 121)
SB posts SB 0.5 BB, BB posts BB 1 BB
Pre Flop: (pot: 1.5 BB) Hero has A♦ T♦
UTG raises to 3 BB, Hero calls 3 BB, BTN calls 3 BB, fold, fold
Flop: (10.5 BB, 3 players) 4♦ 5♥ Q♦
UTG bets 5 BB, Hero raises to 15 BB, fold, UTG calls 10 BB
Turn: (40.5 BB, 2 players) T♥
UTG checks, Hero checks
River: (40.5 BB, 2 players) K♠
UTG bets 31 BB, fold
Spoiler
UTG wins 38.69 BB
Rake paid 1.81 BB