Hey, I’ve been working on a sequel duology too! In some areas, our ideas are quite different, but in others, they are surprisingly similar.

My edit is a merging of Legends and Canon in which Ben and Jaina (Rey) are the Solo twins. Jaina is stolen from Coruscant as a small child by bounty hunters who intend to sell her to the Empire, but then for reasons unknown, abandon her on Jakku. The trauma of her abduction causes Jaina’s memory of her origins to be suppressed.

Palpatine does not appear. Snoke is the villain throughout (even on Exegol!).
Here is an example: https://www.youtube.com/watch?v=ozgt7T98sVg