Aquascope does a little visualization of what's going on behind the scenes. cs.brown.edu made it for their rust book experiment: https://cognitive-engineering-lab.github.io/aquascope/

Learn Rust With Entirely Too Many Linked Lists is a great example of how references work (or don't work) in more complex situations. Might seem like a lot at first, but working through writing the code yourself and seeing the compiler's responses is a great help when learning Rust. It also doesn't hurt to read it once and then come back and read it again later, after you try writing some more programs.

good job, the hardest part is admitting yourself to be a soydev