Rankin, my regards and best of luck to you in regarding this situation.
There are lots of people that know you here and will go out of their way to help you as the thread shows, so don’t worry about being alone when you get back. Some very good and solid advice here such as the one by Boost above.
Saying you don’t want to do anything with her now is easy, its when time heals all wounds is when it’s difficult, 6 months, a year, 10 year from now, when you will still be dealing with her one way or another because of the kid.
What does the kid drive? To make it clear when he’s at work or not.