AGrand Canyon National Park: What is the best way to spend two days?
GC is very busy, I say get what's available. There are no b&b's in the GC and the drive back and forth is a time waster.
ABaton Rouge to Grand Canyon National Park: Scenic Route
You really don't have much choice but to drive I-40 once you're in NM and AZ, the replacement to old Route 66. You'll find parts of 66 along the way. Hopi reservation is closed to outsiders due to COVID. They are a very high risk group. Definitely stop at Petrified...