Preheat your grill to medium-high heat.
In a bowl, mix olive oil, garlic powder, paprika, salt, and pepper.
Coat the chicken breasts with the marinade and let sit for 10 minutes.
Place the chicken on the preheated grill.
Grill chicken for 5-7 minutes per side until internal temperature reaches 165°F.
Toast the hamburger buns on the grill for 1-2 minutes.
Remove chicken from the grill and let rest for 5 minutes.
Slice the chicken breasts and place on the bottom half of the buns.
Add lettuce, tomato, pickles, and your choice of sauce.
Top with the other half of the bun and serve immediately.