You can't do conflict resolution without doing anger management.
Anger is an emotion that everyone needs. Don’t wish it away. It provides resources essential to self-protection and survival. It helps us respond quickly, with high energy, to dangerous or unpleasant situations.
But that doesn't mean it's fine to rant when you're pissed.
Talk About Anger in a Non-Angry Way
Researchers in several fields find that expressing anger in an angry way feeds the problem.