This is one of the reasons why I feel ACTUAL instrument time is more valuable than the "mighty" multi time. You have to be proficient, comfortable, and know what you're doing.
You are perfectly normal in feeling the way you do. I admonish all my instrument students that once they finish their instrument they must grab an experienced instrument pilot, or preferably myself or another CFII and get more experience in the clouds. They have no business going alone in the clouds until they have at least a few hours in actual IMC.
You are definitely right and exercising good aeronautical decision making in asking that question. Find a good pilot to go with, and if that means paying for a CFII's time, it's worth it.
Best,