Hello @EnterpriseArchitect !
Wish you well!
There are a lot of options but what i have done with success is either to Push the OneDrive Installation
You can follow this link :https://techcommunity.microsoft.com/t5/core-infrastructure-and-security/deploying-onedrive-for-business-an-example/ba-p/323276
Or deploy via Endpoint Manager since E3 has Intune ( Microsoft E3/E5) this is easiest and works every time
Then you can deploy SSO since you have Hybrid AD :
https://learn.microsoft.com/en-us/azure/active-directory/hybrid/how-to-connect-sso
In case you need more info you can always ask !
Kindly Accept the answer if it helped and up-vote!
Best regards