This set isn't all that bad, actually gets better later in the set. But right now, you're not getting all that much "hip drive," so in your case--until the time when/if you start to good-morning the shit of them--your squats could actually benefit from having the chin down/gaze fixed lower.
Having said that, it's obvious that this is a light weight for you to be using, and as such, this set is not indicative of the form problems you're likely experiencing at heavier loads. I'm not sure that it's all that useful to critique this set, therefore. It does show us that, at least, your concept of a proper squat isn't bad.
Need to see a heavier set, for sure.
-Stacey