Don't know what you're looking to spend, but having been there-done that before moving on up, I can recommend these two based on my experience...

https://www.giant-bicycles.com/us/escape-1-disc

https://www.trekbikes.com/us/en_US/b...-disc/p/21572/

Two great bikes that give you a lot of bang for your buck.

Good luck and good riding!