I’m also a roadie. Lately I’ve put a lot more miles on my gravel and mountain bikes but that could change with my moods.
Your bike seems very capable off pavement. The big thing is adventure. Flat and likely super hot farm roads at a low speed sounds terrible. Find some mountains, or something scenic. Ride an organized event. Make plans with friends. I think you’ll see appeal.
FWIW, I did a century a couple years back. 40 miles paved and 60 of the tallest most jarring washboards mixed with sand I’ve ever been on. If that was what gravel meant, nobody would do it. Find the fun spots, ride them.