Roast Chicken Salad with Peaches and Goat Cheese

2 1/2 tablespoons balsamic vinegar
1 1/2 tablespoons extra-virgin olive oil
1 1/2 tablespoons minced shallots
2 1/2 teaspoons fresh lemon juice
2 1/2 teaspoons maple syrup
3/4 teaspoon Dijon mustard
1/4 teaspoon kosher salt
1/4 teaspoon freshly ground black pepper
2 cups shredded skinless, boneless rotisserie chicken breast
2 cups sliced peeled peaches
1/2 cup vertically sliced red onion
1/4 cup chopped pecans, toasted
1 (5-ounce) package gourmet salad greens
2 tablespoons crumbled goat cheese

Combine first 8 ingredients; stir with a whisk.

Combine chicken and remaining ingredients except cheese in a large bowl. Add vinegar mixture; toss gently. Sprinkle with cheese.