Rabbit Meat is indeed healthier than chicken meat.
Rabbit Meat has much more protein in it than chicken or beef does and also much lower in cholesterol which makes rabbit meat a better choice for those who love meat but have heart problems or high cholesterol.
The rabbit meat is also lower in fat and more nutritious to you than chicken meat.
If you're trying to lose weight then eating rabbit meat would be the better option due to it's lower fat content because you can eat more of the rabbit meat while still losing weight.