Strawberry Avocado Spinach Salad with Chicken

extra virgin olive oil

golden balsamic vinegar

sugar

roughly chopped fresh tarragon

kosher salt

freshly ground black pepper

boneless, skinless chicken breasts

loosely packed fresh spinach

large strawberries, hulled and quartered

avocado, peeled, seeded and cut into chunks

thinly sliced rings of red onion

feta cheese

sliced almonds