Welcome to YT. Am so glad you joined us. You will find a world of information here, not to mention all the crafty people who make sell wonderful Yorkies items too, so start saving.
It's so exciting when getting a new family member, and I'm sure you want your baby to be healthy and very well adjusted and learn all the important things from the mom that will be very necessary in growing into a well rounded adult. Without moms teachings, this will not happen and the critical age to learn from mom is 6 to 12 weeks old. Those are very, very important weeks for the new baby. Ask the breeder if Chloe can stay with her mom till she's at least 12 weeks, and if she's really tiny then consider not taking her till she's 16 weeks. I didn't take any of my girls till they were 14, & 16 weeks and one was 5 months. My last one was just 12 weeks when I got her, but she's doing really good so far.
Hope you post pictures of your new daughter when you do bring her home.