2nd pair and flush draw: how to play flop and turn

[Hosehound25]

Villain is 28/23/5/(90).

Is flop play alright? How do I act on the turn if a blank rolls off?

Ultimate Bet
No Limit Hold'em Cash Game
$0.50/$1.00 Blinds
6 Players - (LegoPoker Hand History Converter)

SB: $92.40
BB: $91.00
<u>UTG: $119.60</u>
MP: $136.00
CO: $64.70
<u>Hero (BTN): $131.30</u>

Preflop: Hero is dealt T[img]/images/graemlins/club.gif[/img] 9[img]/images/graemlins/club.gif[/img] (6 Players)
UTG raises to $3.50, MP folds, CO folds, Hero calls $3.50, SB folds, BB folds

Flop: ($8.50) T[img]/images/graemlins/heart.gif[/img] 5[img]/images/graemlins/club.gif[/img] K[img]/images/graemlins/club.gif[/img] (2 Players)
UTG bets $6.50, Hero raises to $20.00, UTG calls $13.50