Did it have signs of RI when it was delivered? If so, I feel you should have let the breeder know then. If not, the breeder will probably not be offended but talk to you about your husbandry.

What makes you think it is the breeder that gave the snake RI and not you?

We should probably be talking about your husbandry. Tell us what numbers you are providing your ball and how you are measuring them.