Rear frame damage. Can I hammer out?

[Red-Hawk]

Soooo. After removing bumper and body mounts it appears that she's been tagged in the rear. Looks like PO tacked some weld stock to compensate for the damage.

Problem is rear body mounts are bent too.

It looks like it's fairly minor and the rest of the frame is solid and straight.

I'm not a metal or frame expert. Can i just hammer out bends? Or am i making it worse?

Notice the kids pool tube....You never know when that will come in handy during the build.