Okay so I thinned and tried to blend and this is the outcome. There are still some pieces of the darker coat that are a bit uneven, and even though the difference isn't huge I think it looks quite a bit better! Thanks for all the tips you all!
Also Draco is being so good at not moving around so much I'm surprised! I remember seeing the folks at petsmart through the window trying to figure out how to be delicate while also holding him to get his nails trimmed he's always been a wiggle worm.