I'll need to fullclaim before I can answer Miya.
I have three different abilities.
First, I can Psycholink once per night. This is the ability I used on Caladbolg. The quicktopic is still active, even though I don't use it for anything.
Secondly, Once per game, during the day, I can mindread. This is the exact same thing as psycho linking, except the target sends messages instead. I cannot use this ability on the same person I have a Psycholink with. Caladbolg can confirm that I've claimed these abilities before.
My third ability, is that once per night, instead of making a psycholink, I can choose to eat a person's dreams. If I do so, I learn what their biggest wish is. I didn't think this to be a useful investigating role until night 2, after it was demanded that I psycholink with someone to prove my role. I discounted it because it sounded like pure flavor. I didn't get the chance to use it until last night.
As for the result: One's biggest wish was to bake a wonderful pie. A shame, too, since I would have loved to tasted it.
As for the role/kill thing, I doubt it's possible to do both at once, but I can't say for certain. My role does specifically prevent me from taking two actions at once, though.