Miss Browns Ballpark Potato Salad

Name: Miss Brown's Ballpark Potato Salad
Ingredients: 4 slices thick-cut bacon; One 3-pound package fingerling potatoes (or mix of baby potatoes); Kosher salt and freshly ground black pepper; 3/4 cup extra-virgin olive oil; 1/2 cup red wine vinegar; 1/4 cup whole-grain mustard; 3 tablespoons refrigerated pesto; 1 tablespoon chopped fresh oregano; 2 cups baby arugula; 1/2 cup chopped red onion; 1/3 cup chopped fresh chives