Had Some Test Done T3 And T4 Were High, TSH

Had some test done T3 and T4 were high, TSH low, Thyroid Globulin Binding was 3.11, have a nodule on Thyroid hyperthyroidism pulse staying around 120 beats per minute and losing weight. Next step they want to do is a nodule biopsy. What would you suggest. Maternal Grandfather, Grandmother, Aunt had Graves. Mother took thyroid meds but have to find out why, she is dead.