Greetings & Salutations. Welcome.
You can search the Forums
https://www.backyardchickens.com/forums/ for info. I just did a search for Dog Chickens and a number of posts are there concerning dogs with chickens. Read the title of the posts and read the ones that best apply to your situation.
Our Belgian Malinois has high prey drive. She dreams of catching a squirrel. We trained her, with lead, walking around the run, with the chickens and also, on lead, in the yard while the chickens were out.
The only thing she has done is to put her frisbee in front of one, then backing up...unfortunately, the chicken cannot throw it for her.

An ISA charged her and she just looked a bit surprised.
This is a wonderful site on which to Learn and enjoy. We are pleased to have you in the community.