I'd start with Python. With the exception of (3), all the other resources you've mentioned are - to me - about getting conceptually better at developing. Mentioning your background does help, actually. I'd recommend 'Automate the Boring Stuff with Python'. That way you'll learn while also seeing how tangible the benefits can be. https://automatetheboringstuff.com/

I'm also adding a link to an article I've written a while back for non-developers looking to get into coding: https://code.likeagirl.io/making-coding-skills-useful-as-a-n...