Returning Player needing a skill planner any suggestions

Welcome back.

Eve University is a good place to start
https://wiki.eveuniversity.org/Basic_skills

3rd party tools like EVEMon 4.0.13 - ESI Edition
will help with planning and managing your queue.

Alliances also have a lot of tools to help new players get started:
https://wiki.bravecollective.com/public/dojo/start