I started to get little tiny red bumps in my hand, they itch once in a while now my other hand to, little neddle red dots and in my left testicle?

Tinea corporis.: My guess is tinea corporis which is a fungal infection of the skin .It causes an itchy, red, often ring-shaped rash in these warm, moist areas of your body. It is common in people who sweat a lot, as do athletes. It usually respond to topical anti fungals creams like . Clotrimazole cream applied topically

See a dermatologist: Cannot diagnose what cannot see. This need to be examined and a full history obtained. Go soon and get this worked out. Good luck.