I agree with fabric_fancy, if she doesn't like it, why bother finishing it for her. The top is done, in spite of the fact that you didn't like the colors and really had to struggle with it to get that far done, but to go ahead and quilt it, either way and not have her APPRECIATE the work, time and expense involved in quilting, either give it or sell it to someone else who will appreciate it, because you did a great job on it, get something else for the grand baby. My opinion.