$0.10 BB NL: nut flush with paired bored

[Harry Fong]

Poker Stars - No Limit Hold'em Cash Game - $0.05/$0.10 Blinds - 5 Players - (LegoPoker HH Converter)

SB: $4.80
BB: $8.75
<u>Hero (UTG): $10.75</u>
CO: $16.55
<u>BTN: $10.25</u>

<font color="black">Reads: </font><font color="blue">villian is 21.74/4.35/0.53 for 92 hands</font>

<font color="black">Preflop:</font> Hero is dealt K[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/spade.gif[/img] (5 Players)
<font color="red">Hero raises to $0.40</font>, CO folds, BTN calls $0.40, SB calls $0.35, BB folds

<font color="black">Flop:</font> ($1.30) K[img]/images/graemlins/diamond.gif[/img] J[img]/images/graemlins/spade.gif[/img] 8[img]/images/graemlins/spade.gif[/img] (3 Players)
SB checks, <font color="red">Hero bets $1.00</font>, BTN calls $1.00, SB folds

<font color="black">Turn:</font> ($3.30) Q[img]/images/graemlins/spade.gif[/img] (2 Players)
Hero checks, <font color="red">BTN bets $1.25</font>, <font color="red">Hero raises to $3.00</font>, BTN calls $1.75

<font color="black">River:</font> ($9.30) K[img]/images/graemlins/club.gif[/img] (2 Players)
<font color="red">Hero ???</font>, <font color="red">BTN ???</font>


Questions:

1. Should i be afraid of the paired bored and hence a possible full house?

2. Was my check raise enough in value? Looking back I think maybe $4 would have been better?

3. How should I approach the river from here?