Thats a tough one in your case....
My first instinct is to tell you dry shot for three reasons.
1) You want to run a small shot
2) You'll be spraying THROUGH the blower so you won't be spraying fuel through the twin screws with a dry shot.
3) Its a cheaper kit all around
BUT at the same time, I would say you might want to stay away from it due to the fact that a dry shot (a proper dry kit) will send a slight spike of nitrous pressure to the fuel pressure regulator to up the fuel pressure at the injectors to compensate for the increased intake charge. This is how a dry kit "meters" its fuel. If you're running either A) an FMU or B) a boost reference fuel pressure regulator, this COULD cause more headaches that you really want.
NOW, I'm not expert on kenne belles by any means but if I were in YOU'RE shoes, I'd give Kenne Bell a call and talk to a tech rep and ask them if it is ok to spray a small 50 shot WET KIT (be sure you specify) across the "egg beaters" in your blower. If they say "yes" jump on a wet kit, follow the install insctructions and fucking RIDE OUT!
The only reason I'd be weary about running that wet kit across the blower is that blower was originally design to operate in a pretty much dry (when I say dry, I mean fuel free) enviroment. I'd be concerned with fuel maybe collecting on the blower fins themselves perhaps but that might be far fetched due to the high rpms the blades themselves turn and the close tolerances. What do it know....this is just me thinking out loud of WORST case scenarios. Like I said, CALL kenne bell and ask them. 03-04 cobra guys do it all the time but I'd verify to make sure its ok with your blower. They'll probably feed you a bunch of crap about the block....just reiterate the fact that your only concern is with the safety of the blower itself. The cool in the intake charge itself though will probably help out BIG time.