Co2 healing - how can I treat this hypopigmentation and scarring? (Photo)

I had my CO2 laser done November of last year so I’m almost at a year of healing! I feel like the area I was most concerned with just scarred more. Now I have white squares where they performed the laser and they’re almost raised. The office just told me to keep using hydroquinone but it’s not doing anything. These are pictures in the same lighting. The first is before my laser