Yeah sounds like what I suspected. This comes down to feel and it ain’t easy. If you only loosened one side then it might still be centred ok if you just get that one back in place right. There should be two narrow nuts you tighten against each other (get the inner one in just the right place (that alone takes practice and experience) then tighten the outer one against it while you hold it steady with a 2nd flat wrench. Then if that’s absolutely perfect, when you put it on the bike and tighten the QR, it will be too tight