Hidalgo rhymes with:
belgo, amigo, archipelago, bargo, belgo, bongo, cargo, chicago, fandango, fargo, genego, gogo, indigo, lumbago, outgo, papago, pogo, seago, sego, shawgo, vertigo, vidigo, wargo
Hidalgo sounds like:
hadleigh, hadlock, headless, hotel's, hotels, hotels', huddles