I have Pre-K. We usually just have them draw a picture and dictate, and we write it down. We have them copy a few words having to do with whatever the entry is about and there are few who are starting to sound out words and write them on their own.
I feel like the first graders should be writing pretty much independently, especially at this point in the year. Maybe asking about a few words, but sounding most of them out and using inventive spelling. Maybe with you correcting it with them as you read it.
The Kindergarteners basically the same thing. More help with words, but make them write as much of it as they can without help.
I think you're doing fine. I would put give less help with writing words and focus more with content and creativity. Make them do the work
