NL5 - Hitting the flop (3 Hands)

[RJ78]

Hand 1:
No-Limit Hold'em, $0.02 BB (8 handed)

UTG+1 ($4.56)
MP1 ($2.26)
MP2 ($3.50)
CO ($4.64)
Hero ($6.10)
SB ($2.95)
BB ($5.39)
UTG ($4.97)

Preflop: Hero is Button with K[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/heart.gif[/img].
<font color="#666666">4 folds</font>, CO calls $0.02, <font color="#CC3333">Hero raises to $0.1</font>, <font color="#666666">1 fold</font>, BB calls $0.08, CO calls $0.08.

Flop: ($0.31) 6[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/club.gif[/img], 9[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
BB checks, CO checks, <font color="#CC3333">Hero ???</font>

C-bet or check behind?


Hand 2:
No-Limit Hold'em, $0.02 BB (9 handed)

MP1 ($5.28)
MP2 ($2.84)
MP3 ($2.91)
CO ($6.65)
Button ($5.49)
Hero ($4.90)
BB ($2.96)
UTG ($4.97)
UTG+1 ($4.88)

Preflop: Hero is SB with A[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/club.gif[/img].
<font color="#CC3333">UTG raises to $0.12</font>, <font color="#666666">2 folds</font>, MP2 calls $0.12, <font color="#666666">1 fold</font>, CO calls $0.12, Button calls $0.12, <font color="#CC3333">Hero raises to $0.78</font>, <font color="#666666">1 fold</font>, UTG folds, MP2 folds, CO calls $0.66, Button calls $0.66.

Flop: ($2.60) 9[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero ???</font>

Check or bet?


Hand 3:
This one I don't have a hand history for at the moment, but I have AJs on the BU. Several limpers, I raise and get 1 caller. I hit TPTK (J) + Nut flush draw (board something like J73.) Caller donks ~1/5 pot into me. Raise or call and let donk think their KJ or whatever is good?

Thanks,
RJ78