Hello and welcome to YT. Your little one is very young yet to control themselves yet. I do not know anything about that. I use Natures Miracle advanced cat-stain odor remover. It works great. If you just steam clean you do not get rid of the enzymes. Use this first. I makes a difference and gets rid of the smell. I use the cat formula because cat pee is stronger and I want to use their best product and this is it, in my opinion.
Advanced Cat Stain Odor Remover Eliminate Cat Urine Odor - Nature's Miracle