Knowing the urgency of the matter in question, I doubt Biden would manage to make much progress in that regard, considering it's the liberal capitalist system as a whole that needs to be entirely reformed and rebuilt from the ground up. He won't make things worse for sure, but I'm fairly sure I'll barely make a dent to the status quo already existing, the very one that is killing us all slowly but surely. That been said, if that's the only choice against Trump (or any conservatives for that matter), then we'll have to take it.
Also, it's not just a matter of foreign policy. It's also a matter of role model, of influence over the rest of the world. When Trump got elected, it emboldened a lot of alt-right and fascists to rise up worldwide, seeing in him enough approval that their time was finally coming and that it was ok to crawl out of their fascist caves. This is what you get for being the most powerful nation in the world, at some point you have to realize the burden and responsibilities that go along with it, and just start to act accordingly and become deserving of the title.
Right now, the US very much doesn't.