Your dream presents a vivid narrative filled with contrasting emotions and themes, which can be quite revealing about your current state of mind. Here are some possible interpretations:

1. Water Park Symbolism: The water park represents a place of fun, freedom, and playfulness. It might reflect a desire for enjoyment and leisure in your life. However, the sudden shift to chaos with the dinosaur indicates a disruption of this joy, suggesting you may be experiencing anxieties or fears that are interrupting your happiness.
2. Dinosaur as a Threat: Dinosaurs in dreams often symbolize something large and intimidating that feels beyond your control. This could represent a looming fear or concern in your life that you feel unprepared to face. It might be a situation that seems overwhelming or a change that feels threatening.
3. Family Dynamics: Your family's behavior in the dream can point to different perspectives on handling fear or crisis. While you want to escape the danger, they seem to embrace it, which could reflect feelings of being misunderstood or unsupported in your own fears. This dynamic may suggest that you feel pressured by those close to you to adopt their views or attitudes.
4. Struggle for Independence: Your attempts to pull away from your mom and the situation signify a desire for autonomy and a fear of losing control. The struggle against being dragged toward the dinosaur can reflect a conflict between wanting to conform to family expectations and the desire to stand firm in your beliefs or fears.
5. Fear of Loss: The imagery of your family being eaten by the dinosaur may symbolize a fear of losing loved ones or feeling helpless in situations where you cannot protect them. This can evoke deep emotional responses, highlighting concerns about vulnerability and the unpredictability of life.

In terms of advice, it might be beneficial to explore your feelings about your family dynamics and any current fears or anxieties you have. Engaging in open communication with your loved ones about your feelings could also help in addressing any underlying issues. Additionally, finding healthy outlets for stress and fear, such as creative expression or physical activity, may provide relief and help you regain a sense of control.