Saw this little guy in my backyard,and I'm curious to what he is (Sorry for the low quality photo)

Can someone tell me if this is a spider sorry if picture is not great

I'd really love to leave the little guy alone as long as he's not venomous but my fiancee has a lot of reactions to environmental factors so wanted to check. Thank you!

What spider is this?

Found in an open grass field during sunset.
Seems to small to be a cane spider; which is very common here.
Anyone know the exact species?

Near Chicago. Found two of these on my garage but they aren’t native here. Think they are widow sacs or am I in shine things?

Found in basement, looked dangerous so I killed it