Logically, how else would they not end up in different places if the portals were randomized? It wasn't like Finn knew how portals worked. Holding hands seemed the simple choice, but it had still been a question to if it was needed.
Eyes widening in surprise at the treat. "Are you sure?" He didn't wait for an answer; instead, popping the chocolate in his mouth quickly after taking it. Without what would be a normal hesitation, he took Kylo's hand, just enjoying the piece of candy and holding on tight.
It was an odd sensation to hold his hand. He could feel the same kind of energy Finn felt when holding Rey's hand, or if he thought harder on it he would notice the similarity to Luke as well. The Force sensation in a force user pulsed lightly when Finn was near by them.