To control your vehicle, which direction you will turn your steering wheel if suddenly your car's rear wheels skid towards right?

you will trun the steering wheels to the right

to control the vehicle you must turn the wheel to the right.

Always turn towards the direction of skid to have more control over the car. According to the dynamics of vehicle, a vehicle can be controlled from skid if the steer direction is same as the skid direction. This should however be done immediately but smoothly.