Bent/damaged real diff ?

Hi,
Wanted to see what others think of the rear diff on this 2010 grizzly 700.

To me it looks like something is wrong, but not sure how severe.

The owner said that the previous owner may have backed too far into the trailer, hence the cracked light as well.

Should I be concerned?

Ive been looking through this other thread talking about using a brace.

Thanks for all your help and feedback

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