pl 5cd SnG HU line check

[Sk00l4m3nts]

So I entered a 1.10 sng for kicks. I never played draw before and luckboxed my way into HU. how is this play?

Tournament: Pot Limit 5 Card Draw (75/150) (converter)

Hero (4165), Seat 1
BB (4835), Seat 6

Hero posts 75. BB posts 150.

Hero is SB with [5d Th 2h 9s 5c]

Round 1: (225)

<font color="red">Hero raises 300 to 450. </font><font color="green">BB calls. </font>
BB takes 3. Hero discards Th 2h 9s.

Hero has [5d 5c Jh Ac 5h]

Round 2: (900)

<font color="green">BB checks. </font><font color="red">Hero bets 300. </font><font color="red">BB raises 1530 to 1830. </font><font color="red">Hero raises 1870 to 3700 (all-in). </font><font color="green">BB calls. </font>

Pot: (8300)