I Am a 24 Yr Old Male with Pox Acne & Have Keloid Tendencies. Treatment Advice?

I am a 24 yr old male with pox acne scars on my nose from puberty. I have to have an unrelated procedure & while I'm out my plastic surgeon recommended a medical grade dermabrasion. Would have a bandage on nose for 5-7 day , it falls off & then I guess there will be a scab? Is this risky for worse scarring?? Am a little freaked! Am self conscious about my scars BUT could I come out worse. Is there a less risky but AS OR MORE effective procedure ? HELP,,,

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