It sounds like you are looking for a traditional backup solution instead of a sync solution. odrive is a bidirectional, full sync solution, so there isn’t a way to prevent remote changes from syncing to the local system. odrive will always want to sync additions, edits, and deletes in both directions.
Here is a post I wrote a while ago that goes into this in more depth:
Unfortunately I don’t have any personal recommendations, since I haven’t used any other software for Amazon Drive in few years. I know that some folks have used Arq in the past with good results.