If its working well now you are right to simply use the car until it acts up again, at least that is what I would do.

It sounds to me as if you simply had a caliper that was sticking. It may be just fine until such time as it gets the pad worn down to that place again, and that might take years.

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.