That's a great start that you have blocked him and I hope you manage to find someone to do drop offs and pick ups. If you ever have to communicate with him, look up the 'grey rock' method where you give him absolutely no emotion. It's hard when you have children with an abuser because most of them will continue to abuse you through the child and during picks ups etc so it's hard to move on from the abuse when you are being constantly re traumatised.
Here's some advice I posted on another thread about healing after abuse which may help you too
I now try to practice self care as often as possible, invest more in my non romantic relationships which are alot more fulfilling, challenge my negative inner voice (that was likely learned in childhood and reinforced by abusive men) and create clear boundaries and assert them, no matter how uncomfortable it makes me feel (that's the people pleaser in me).
I also fight the urge to be in a relationship until I am ready because I know that alot of my lonliness is deep rooted in codependency and I refuse to be that person anymore. Essentially, I refuse to ever be in a relationship again that is anything but mutually loving and respectful and I've made peace with the fact that even if I never find that, I would choose to be alone a million times over than be with an abusive man again.
I think the freedom programme is great and theres also some really good videos on youtube about narcissism and codependency. Lisa Romano is my favourite as well as little shaman and Derril Jaxn.
healing from a narcissistically abusive relationship (all abusive men are narcissistic) is much more complex than healing from one where things simply didnt work out.
It can really shake you to your core so you need to give yourself time to heal. Healing is never a linear process and you may at times feel hyper vigilant as you do now, but I promise this eases over time and soon you will find the confidence and trust in yourself that you will not fall for the same patterns as before and that you will be OK no matter what.
I believe my DC's father is a psychopath (highly abusive horrible man) who made the best part of my 20's a living nightmare. At the time, I really couldn't see the purpose of any of it and I never thought I would be able to live with what happened to me and my DC.
Since being no contact for 3 years, I can see how surviving all of that has made me a strong person and I now trust myself that I can get through almost anything. Women who have survived abusive relationships are some of the bravest people I know. You survived and learned some very difficult lessons but dont let it define who you are in the future because if you do, ultimately he will have won by stopping you from enjoying life and putting him firmly in the past.