I am a new bunny owner, I did get him at a pet store ( I know I shouldve rescued, I just couldn’t say no.) He did come with “the kit” Where in a box it comes with the cage, the bedding, food, etc. The food provided in the kit, was the Kaytee fiesta blend, which I now know is not very healthy, when I figured out that it was unhealthy, I bought small world pelletes for him (His name is Rev) I tried gradually getting him off the fiesta blend , by mixing the two foods together, but I just ran out of the fiesta blend, so now he strictly only has pellets, but he still digs through it looking for the other type of food.  So I guess my question is, will he evently eat it on his own, or is there something I could get him to do to stop being so picky?

Btw, he has lots of hay all the time, I always make sure he has plenty of it. I also feed him Kale, and Romaine lettuce sometimes.

Also, any tips for a new bunny owner?