I am having back aches or pains i don't know in the lower right corner not on my spine but on my back. what could this be?

Several possibilitie: In that region, pain can arise from a hip, spine or si joint problem. It can also be a referred pain from your abdominal or pelvic region organs as well . If the pain is getting worse or persisting over time and is bothering you, get evaluated by your doctor to start the appropriate treatment based on a correct diagnosis.