I think there may be several planets out there with living animals like, say, squirrels.
But semi-intelligent life? Extremely rare. Advanced intelligent life? Unheard of. Uncommon, if not totally nonexistent.
Check this out: How many species on planet Earth are there? Now, how many species have mastered the wheel?
One.
One species has mastered the wheel out of millions. The freaking wheel. That’s a circle, y’all. (Billions if you count insects and fishes.)
We are probably alone.