[Closed] NL25 - FR - 79s - Flopped Flush - Vs Extremely bad Fish

Hand converted with online PokerStrategy.com hand converter:

Play hand

$0.1/$0.25 No-Limit Hold'em (9 handed)

Known players:
[tg]UTG2 (Hero)$25.35:///////;MP1$39.87:///////;MP2$32.87:///////;MP3$7.90:///////;CO$25.35:///////;BU$13.66:///////;SB$27.17:///////;BB$5.66:///////;UTG1$19.84:///////;[/tg]

Preflop: Hero is UTG2 with 7:d, 9:d.
UTG1 calls $0.25, Hero raises to $1.00, 7 folds, UTG1 calls $0.75.

Flop: ($2.35) 6:d, K:d, Q:d (2 players)
UTG1 checks, Hero bets $1.50, UTG1 calls $1.50.

Turn: ($5.35) 7:h (2 players)
UTG1 checks, Hero bets $3.81, UTG1 calls $3.81.

River: ($12.97) Q:s (2 players)
UTG1 checks, Hero bets $14.00, UTG1 calls $13.53(All-In).

Final Pot: $40.5.

I raised because this person has 91VPIP over 93 hands... and the most important thing: this person has limped folded 9/10 hands!

so i thought easy money...

but then i flop a flush!! any advice?