Chicken, Grated Beets, and Beet Greens with Orange Butter

INGREDIENTS

• 1 1/2 tablespoons butter, room temperature, divided
• 1/4 teaspoon finely grated orange peel
• 1 tablespoon extra-virgin olive oil, divided
• 2 skinless boneless chicken breast halves
• 2 tablespoons chopped shallots
• 2 medium red beets with greens, greens stemmed and coarsely chopped, beets peeled and coarsely grated
• 2 teaspoons Sherry wine vinegar, divided
• 1/3 cup water