The term 'DR. KING HAD ONE' is referring to a DREAM that Dr. Martin Luther King Jr. had. Dr. King was an American civil rights leader who fought for racial equality and justice in the United States during the 1950s and 1960s. His famous 'I Have a DREAM' speech, delivered in 1963, is one of the most iconic moments in American history. The crossword solution for this term is 'DREAM, ' which is a fitting answer as it reflects Dr. King's commitment to achieving his vision of a more just and equal society.