This is an article worth reading on the subject. https://www.denverpost.com/2013/11/15/to-neuter-your-dog-or-not-new-studies-change-answer-for-some/
neutering helped calm all of my Basenjis down
At 12-14 months my males started to get snarky, neutering then calmed them down and were less snarky. Additionally I find that dogs that are un-neutered are frequently the target for being jumped by other dogs who aren’t neutered.
Looks like you could use some organ meat. You can deliver a lot of calcium by grinding up your cooked egg shells into a powder and spreading some on your food. A commercial raw brand I like is Stella & Chewy. I like their ingredient list and their dehydrated raw patties are convenient.