Cook the bacon in a skillet over medium heat until crispy, then drain on paper towels and chop into bite-sized pieces.
Season the chicken breast with a pinch of salt and pepper, then grill or pan-sear until fully cooked and slice into thin strips.
In a small bowl, whisk together the sour cream, Greek yogurt, lemon juice, garlic powder, onion powder, salt, and pepper until smooth.
Chop the romaine lettuce into shreds, dice the bell pepper, and halve the cherry tomatoes.
In a large mixing bowl, combine the lettuce, bell peppers, tomatoes, chicken, and chopped bacon.
Drizzle the creamy dressing over the salad and toss gently to ensure every ingredient is evenly coated.
Garnish with fresh chives and serve immediately for the best texture.