I never had problems with my skin until 2 years ago. This was the summer right before it started

And this is when I was freaking out because it was my first time getting a pimple somewhere other than my forehead (I got the occasional zit)

But now, after nonstop, red, painful acne for two straight years I would do anything to go back to a few pimples. Now I have severe discoloration and redness and new pimples come up every day and I have pitted scars even though I don't really touch my acne and it's destroying me. My acne just keeps spreading, but I can't afford to see a dermatologist. 

I've always been health conscious and maintained good hygiene, so when my acne first started I really had a hard time emotionally. I hate looking in the mirror, I can't make eye contact with people, and I have no confidence. I'm not sure what to do at this point when it seems like the only solution is seeing a dermatologist.
I have always had extremely dry skin, so moisturizing was my main focus. Most advice on acne is based around oily skin, so I didn't want to buy products that were commonly recommended. I tried Paulas Choice BHA, but it did nothing for me. I've tried mild cleansers like Cetaphil and Cerave, but I always ended up getting forehead breakouts from them. I currently use an Aveeno cleanser that I've come back to every time, because at the very least, it doesn't exacerbate my acne or cause breakouts. I made an account on here because I don't know what to do anymore, and I want to stop this from spreading to my entire face.