Congratulations! on increasing your bankroll approx. 30x and you got the nuts and someone to pay it off.
1 I like your intial bet on the river. I would have increased the 1st reraise to bring it to 1.50.
2 Know the nuts at all times and don't be afraid to bet with them on the 5nl tables. With some more experience you will feel more comfortable with the amount of money on the table.

biondino is spot on with the min bet flush draw read, I see it alot on the 10nl paradise tables and party's 25nl tables. I thought the other guy had the Kc.

Most players on party's 5nl tables are terrible, so you don't have to get very tricky.