Something like a sophisticated slaw, this is a great tart/sweet dish. The slight bitter of the radicchio is a great contrast to the sweet delicious carrots. The dill gives everything a dance floor to boogie on.
If your event is 1 to 2 hours (house warming, home marketing event, short happy hour) then the small party portion is what you need.
If your event is 3 or more hours (a party for parties sake, a birthday, St. Patricks, the Oscars) then you want the “meal” portion.