With time comes experience and therefore confidence. Quite frankly, I don't see the correlation between top grades equaling poor clinical skills. That's two different things. A strong basis for good...
I think it's mixing apples and oranges here and to ask you what is more important is inappropriate. Of course family is more important but it's not a matter of giving up your family for an education....
Push forward and apply. Sometimes chance is what you make it. In other words, control your own destiny. If your GPA isn't competitive enough to get you into ADN, you can work on raising it. Chemistry...