Flopped a set of jacks.

$100 NL Texas Hold'em (6 max)
Seat 4 is the button
Total number of players : 6
Seat 1: Slaskis55 ( $106.05 )
Seat 2: Hero ( $273.55 )
Seat 4: kzorn06 ( $316.60 ) - EXTREMELY LAG. 74/33/2.9
Seat 3: LoRDVaLoRiaN ( $95.90 )
Seat 5: comefindnemo ( $97.85 )
Seat 6: Kajdee ( $92.50 ) - pretty solid, 28/8/3
comefindnemo posts small blind [$0.50].
Kajdee posts big blind [$1].
** Dealing down cards **
Dealt to Hero [ J[img]/images/graemlins/spade.gif[/img] J[img]/images/graemlins/diamond.gif[/img] ]
Slaskis55 folds.
<font color="red"> Hero raises to $3 </font>
LoRDVaLoRiaN folds.
kzorn06 calls [$3].
comefindnemo folds.
<font color="red">Kajdee raises to $5. </font>
Hero calls $2.
kzorn06 calls $3.
Flop: (Pot: $15.50)
J[img]/images/graemlins/heart.gif[/img] K[img]/images/graemlins/heart.gif[/img] T[img]/images/graemlins/diamond.gif[/img]
<font color="red"> Kajdee bets $17.
infernalice raises $33 more to $50. </font>
kzorn06 folds.
<font color="red"> Kajdee raises $19.50 more and is all-In ($69.50) </font>
Hero calls.

Is this ok? I had a strong feeling villain had KK here, but I didn't want to just call down and allow kzorn to hit. Board is frightening.