Never built a PC before, want to know if this build is a good one for around $550

So I'm brand new to all this, although I've done a fair bit of research. I'm on a strict budget and I just want to know if what I've picked out is good enough for what I want to do, which is basically just play most modern games at reasonable settings. Hopefully I didn't mess up too badly, haha. Here's the list:

https://pcpartpicker.com/list/vjhwbj