hi your story kind of sounds like mine. like your daughter i also had a closed adoption that was arranged my by my b-moms neighbor. she was also my foster parent until after the home study. we didnt stay in touch with her though. but like your daughter i am also turning 18. i have been very int. in finding my b-family. i cant say where your daughter is in life, and how she feels about her adoption. But i think that she wonders about you sometimes. I know i think about my b-mom alot around my b-day and i only wish she was as close to me as you are to her. and that she thinks of me the way you think of her.
i wish you the best of luck with journey to come, follow your heart.
goog luck
katie