Great to heat you are figuring out things to improve your situation.
Glad to hear the ankle is doing great!

Seeing improvements with your back?
Lesson learned.
Take a look at the hinge archetype and deadlift prep videos.
Episode 105: Deadlift Prep
Episode 106: Deadlift Part 1
Episode 106: Deadlift Part 2

Always good to revisit technique for the skill following an injury.
Keep working with it. Progress is happening.