Based on my prior knowledge, I can analyze the relationship between the SkinThickness feature and the target variable for diabetes.

The SkinThickness is a measurement of the triceps skin fold thickness. In general, higher values of skin thickness may indicate a higher likelihood of having diabetes. However, it is important to note that skin thickness alone may not be a strong predictor for diabetes. Other factors such as age, weight, and medical history should also be considered.

Here is the dictionary with the specific details:

```json
{
  "yes": [35.0, 40.0, 45.0, 50.0, 55.0],
  "no": [20.0, 25.0, 30.0, 15.0, 10.0]
}
```

In this dictionary, I have included 5 typical SkinThickness values for each target class. The values for the "yes" class (indicating a person has diabetes) are [35.0, 40.0, 45.0, 50.0, 55.0], while the values for the "no" class (indicating a person does not have diabetes) are [20.0, 25.0, 30.0, 15.0, 10.0].

Please note that these values are meant to be illustrative and may not accurately represent the entire range of possible SkinThickness values for each target class. Further analysis and consideration of other features is recommended for a more comprehensive understanding.