Help! To Potty Train or not???

Baby #2 is coming early March and my 20 month old is still in diapers. I started the 3 day potty training 2 days ago and she did really well yesterday morning, but by afternoon I was so discouraged.. she peed EVERY time I looked away for a split second. And this morning is not going well either. She has lost interest in sitting on the potty, even for candy or Elmo, and ONLY wants me to hold her after I ask her to sit on the potty.

I just feel a lot of pressure because she has been fighting me lately to even change her diaper and being 7 months pregnant, I can’t really fight her. I’m also feeling the pressure of not wanting 2 kids in diapers in a couple months..

Do I keep trying or give it up until she is older??