Chicken Breasts with Avocado, Tomato, and Cucumber Salsa

Chicken Breasts with Avocado, Tomato, and Cucumber SalsaCooking spray¾ teaspoon salt, divided¼ teaspoon chipotle chile powder4 (6-ounce) skinless, boneless chicken breast halves1¼ cups coarsely chopped seeded peeled cucumber (about 1 large)1 cup grape tomatoes, halved½ cup prechopped red onion½ cup chopped peeled avocado2 tablespoons chopped fresh cilantro2 tablespoons fresh lime juice1 jalapeno pepper, seeded and finely choppedHeat a grill pan over medium-high heat. Coat pan with cooking spray. Sprinkle ½ teaspoon salt and ¼ teaspoon chipotle chile powder evenly over chicken; add chicken to pan. Cook for 6 minutes on each side or until done, and remove from heat.Combine remaining ¼ teaspoon salt, cucumber, tomatoes, onion, and remaining ingredients in a medium bowl, tossing well. Serve with chicken.