No, he was a great player for us but not a legend.
I agree, was great for us, and we were great for him at that stage in his career.
I can see why people think otherwise, but I would not consider him a legend in the same way as Cantona, Law, Charlton, Giggs, Scholes, Beckham, and many others, he was clearly a better player than some of them, but skill alone does not make a legend.
Most of them had careers at other clubs, and you can add to that list Best, who clearly had problems and other clubs, but in his prime, it was all at united.
What makes a player a legend is difficult to define, and without being able to put it into Black and white, it is probably slightly different in the minds of each of us. Schmeical was probably our greatest keeper ever, but joining City and some of the things he said at the time, just took the shine off him for me, not the way of a United legend for me, but I can see why some would not agree, like many things its my opinion, doesn't make it right or wrong, just my feeling.
But Ronaldo was clearly a great player for us, and among the best in the world when he chose to leave us, but in my mind not a United legend