Heat 1 tablespoon of oil in a large skillet over medium-high heat. Add the chicken and grill seasoning. Cook until chicken is cooked through and beginning to brown (about 8 minutes), stirring occasionally. Once the chicken is cooked, let it cool for at least 5 minutes.In the mean time, assemble the salad. In a large bowl, add the lettuce, strawberries, blueberries, raspberries, and pecans. Set aside.Prepare the poppy seed dressing. In a small bowl, add the sour cream, poppy seeds, vinegar, 2 tablespoons of extra virgin olive oil, honey, and salt. Whisk until well combined.Add the chicken to the salad. Pour desired amount of dressing over the salad and toss to combine.