i'm new as well, but i've been reading. i hope you find some comfort in knowing that her last moments were with you, and that she knew that you cared (despite her outward fear). it's a small comfort, but i hope it's one that you remember and i really do hope you don't let this keep you from a new baby to love.
you are obviously a wonderful person, with a kind heart. good things will come to you, even though it may not seem like it now. any dog would be blessed to have you, and i'm sure that dancer is now peaceful and hoping you find someone new to love as well.