Soooo guess what guys, it wasn't dandruff... Rylie was destroying the rubber on the bottom of the throw rugs without our knowledge. In the process of the shredding, she got little rubber flakes all over the floor and yep you guessed it IN HER HAIR
I couldn't for the life of me figure out why she had dandruff because I use a good shampoo and conditioner, feed her good food, don't over wash, etc. Turns out it was all due to puppy mischief... little imp
Time to get new rugs!