My suggestion might sound like the opposite of what you might be thinking, but I'd strongly suggest that you tell your therapist what you said in your post.
I think it's very natural to feel the things you say. If you tell your therapist about this, that gives a chance to work on it together. I think your therapist would be only too pleased to hear how you're finding things, because you might be able to decide things together about how you can work in a way that will help you, and any good therapist wants that as much as you do. If we don't tell our therapists these things, they don't know, but any good therapist wants to be there for you in the best way possible.
I've talked to my therapist about things as small as needing her to ask me "How are you?" when we start the session instead of waiting for me to begin. I've also talked about things as big as thinking she's going to think I'm horrible and disgusting - that led to her giving me a lot of reassurance and realising that she needs to keep giving me that reassurance and not assuming that I understand she doesn't judge me, but actually telling me that.
Therapists are tough, they won't crumble if we say we dread seeing them or that we hate therapy. They know that probably many of their clients do! If we can say it and talk about it, then together we can find a way through it, instead of suffering in silence or trying to fix it on our own.