Encouraged and Discouraged

I have been tackling the LSAT for quite some time now. I have started back studying, but I also work full time. I have been drilling consistently with LR but RC is where I get Overwhelmed. A lot of people say to take practice tests but I’m too nervous because when I get to RC I feel like what I’m reading is just a blur. I will read a full passage and think “What in the world are they talking about”. I feel stuck